Tetrafluoroboric acid

H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]

P260, P264, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P321, P363, P405, and P501 (click each P-code to see the statement)

H290 (34.5%): May be corrosive to metals [Warning Corrosive to Metals]

H314 (100%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]

H318 (61.6%): Causes serious eye damage [Danger Serious eye damage/eye irritation]

P234, P260, P264, P264+P265, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P321, P363, P390, P405, P406, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 307 reports by companies from 10 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.

H290: May be corrosive to metals [Warning Corrosive to Metals]

H301: Toxic if swallowed [Danger Acute toxicity, oral]

H311: Toxic in contact with skin [Danger Acute toxicity, dermal]

H318: Causes serious eye damage [Danger Serious eye damage/eye irritation]

H335: May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

H336: May cause drowsiness or dizziness [Warning Specific target organ toxicity, single exposure; Narcotic effects]

H371: May cause damage to organs [Warning Specific target organ toxicity, single exposure]

H372: Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]

P234, P260, P261, P262, P264, P264+P265, P270, P271, P280, P301+P316, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P354+P338, P308+P316, P316, P317, P319, P321, P330, P361+P364, P363, P390, P403+P233, P405, P406, and P501 (click each P-code to see the statement)

P234, P260, P264, P264+P265, P270, P280, P301+P316, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P308+P316, P316, P317, P319, P321, P330, P363, P390, P405, P406, and P501 (click each P-code to see the statement)

Fresh air, rest. Half-upright position. Refer immediately for medical attention.

Remove contaminated clothes. Rinse skin with plenty of water or shower. Refer immediately for medical attention. Apply calcium gluconate to the burn areas.

First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.

Rinse mouth. Do NOT induce vomiting. Refer immediately for medical attention.

Excerpt from ERG Guide 154 [Substances - Toxic and/or Corrosive (Non-Combustible)]:

Refer to the "General First Aid" section. Specific First Aid: For corrosives, in case of contact, immediately flush skin or eyes with running water for at least 30 minutes. Additional flushing may be required. (ERG, 2024)

General First Aid:

· Call 911 or emergency medical service.

· Ensure that medical personnel are aware of the material(s) involved, take precautions to protect themselves and avoid contamination.

· Move victim to fresh air if it can be done safely.

· Administer oxygen if breathing is difficult.

· If victim is not breathing:

-- DO NOT perform mouth-to-mouth resuscitation; the victim may have ingested or inhaled the substance.

-- If equipped and pulse detected, wash face and mouth, then give artificial respiration using a proper respiratory medical device (bag-valve mask, pocket mask equipped with a one-way valve or other device).

-- If no pulse detected or no respiratory medical device available, provide continuous compressions. Conduct a pulse check every two minutes or monitor for any signs of spontaneous respirations.

· Remove and isolate contaminated clothing and shoes.

· For minor skin contact, avoid spreading material on unaffected skin.

· In case of contact with substance, remove immediately by flushing skin or eyes with running water for at least 20 minutes.

· For severe burns, immediate medical attention is required.

· Effects of exposure (inhalation, ingestion, or skin contact) to substance may be delayed.

· Keep victim calm and warm.

· Keep victim under observation.

· For further assistance, contact your local Poison Control Center.

· Note: Basic Life Support (BLS) and Advanced Life Support (ALS) should be done by trained professionals.

Specific First Aid:

· For corrosives, in case of contact, immediately flush skin or eyes with running water for at least 30 minutes. Additional flushing may be required.

In Canada, an Emergency Response Assistance Plan (ERAP) may be required for this product. Please consult the shipping paper and/or the "ERAP" section.

Excerpt from ERG Guide 154 [Substances - Toxic and/or Corrosive (Non-Combustible)]:

SMALL FIRE: Dry chemical, CO2 or water spray.

LARGE FIRE: Dry chemical, CO2, alcohol-resistant foam or water spray. If it can be done safely, move undamaged containers away from the area around the fire. Dike runoff from fire control for later disposal.

FIRE INVOLVING TANKS, RAIL TANK CARS OR HIGHWAY TANKS: Fight fire from maximum distance or use unmanned master stream devices or monitor nozzles. Do not get water inside containers. Cool containers with flooding quantities of water until well after fire is out. Withdraw immediately in case of rising sound from venting safety devices or discoloration of tank. ALWAYS stay away from tanks in direct contact with flames. (ERG, 2024)

In case of fire in the surroundings, use appropriate extinguishing media.

Use appropriate extinguishing agent for surrounding fire. Use water spray to keep fire-exposed containers cool.

If material involved in fire: Extinguish fire using agent suitable for type of surrounding fire (Material itself does not burn or burns with difficulty). Use water in flooding quantities as fog. Cool all affected containers with flooding quantities of water. Apply water from as far a distance as possible.

· CALL 911. Then call emergency response telephone number on shipping paper. If shipping paper not available or no answer, refer to appropriate telephone number listed on the inside back cover.

· Keep unauthorized personnel away.

· Stay upwind, uphill and/or upstream.

· Ventilate closed spaces before entering, but only if properly trained and equipped.

· ELIMINATE all ignition sources (no smoking, flares, sparks or flames) from immediate area.

· Do not touch damaged containers or spilled material unless wearing appropriate protective clothing.

· Stop leak if you can do it without risk.

· Prevent entry into waterways, sewers, basements or confined areas.

· Absorb or cover with dry earth, sand or other non-combustible material and transfer to containers.

· DO NOT GET WATER INSIDE CONTAINERS.

Excerpt from ERG Guide 154 [Substances - Toxic and/or Corrosive (Non-Combustible)]:

IMMEDIATE PRECAUTIONARY MEASURE: Isolate spill or leak area in all directions for at least 50 meters (150 feet) for liquids and at least 25 meters (75 feet) for solids.

SPILL: Increase the immediate precautionary measure distance, in the downwind direction, as necessary.

FIRE: If tank, rail tank car or highway tank is involved in a fire, ISOLATE for 800 meters (1/2 mile) in all directions; also, consider initial evacuation for 800 meters (1/2 mile) in all directions. (ERG, 2024)

Immediate precautionary measure

· Isolate spill or leak area in all directions for at least 50 meters (150 feet) for liquids and at least 25 meters (75 feet) for solids.

· For highlighted materials: see Table 1 - Initial Isolation and Protective Action Distances.

· For non-highlighted materials: increase the immediate precautionary measure distance, in the downwind direction, as necessary.

· If tank, rail tank car or highway tank is involved in a fire, ISOLATE for 800 meters (1/2 mile) in all directions; also, consider initial evacuation for 800 meters (1/2 mile) in all directions.

Personal protection: complete protective clothing including self-contained breathing apparatus. Consult an expert! Collect leaking liquid in sealable containers. Absorb remaining liquid in sand or inert absorbent. Then store and dispose of according to local regulations.

Aqueous HBF4 and/or its salt is treated by aluminum sulfate or ferric chloride and aqueous ammonia, ammonium sulfate, ammonium chloride and urea, then with calcium hydroxide, and precipitate is filtered.

Spill or leak procedures: Stop or control the leak, if this can be done without undue risk. Approach release from upwind. Control runoff and isolate discharged material for proper disposal.

Environmental considerations: land spill: Dig a pit, pond, lagoon, holding area to contain liquid or solid material. Absorb bulk liquid with fly ash or cement powder. Neutralize with agriculture lime (CaO), crushed limestone (CaCO3), or sodium bicarbonate (NaHCO3).

Environmental considerations: water spill: Neutralize with agriculture lime (CaO), crushed limestone (CaCO3), or sodium bicarbonate (NaHCO3).

For more Cleanup Methods (Complete) data for FLUOBORIC ACID (6 total), please visit the HSDB record page.

SRP: The most favorable course of action is to use an alternative chemical product with less inherent propensity for occupational exposure or environmental contamination. Recycle any unused portion of the material for its approved use or return it to the manufacturer or supplier. Ultimate disposal of the chemical must consider: the material's impact on air quality; potential migration in soil or water; effects on animal, aquatic, and plant life; and conformance with environmental and public health regulations.

Waste treatment ... includes a pretreatment with aluminum sulfate to facilitate hydrolysis, and final precipitation of fluoride with lime.

Two methods for the treatment of fluoborate wastewater from the electroplating of tin, solder, copper and nickel striping were investigated. These involved specific ion flotation and electrodialysis. The fluoborate ion was found to bind with an alkylamine acetate by displacement of the acetate group and can be removed from dilute waste stream either by air flotation or ultrafiltration. A high density low porosity graphite anode that is resistant to the corrosive properties of fluoboric acid electrolyte was developed for electrodialysis treatment of the tin, solder and copper fluoborate containing wastewaters. In general, recoveries of the fluoborate ions were in excess of 80 percent.

SRP: Contaminated protective clothing should be segregated in such a manner so that there is no direct personal contact by personnel who handle, dispose, or clean the clothing. Quality assurance to ascertain the completeness of the cleaning procedures should be implemented before the decontaminated protective clothing is returned for reuse by the workers. Contaminated clothing should not be taken home at end of shift, but should remain at employee's place of work for cleaning.

SRP: Local exhaust ventilation should be applied wherever there is an incidence of point source emissions or dispersion of regulated contaminants in the work area. Ventilation control of the contaminant as close to its point of generation is both the most economical and safest method to minimize personnel exposure to airborne contaminants.

SRP: The scientific literature for the use of contact lenses in industry is conflicting. The benefit or detrimental effects of wearing contact lenses depend not only upon the substance, but also on factors including the form of the substance, characteristics and duration of the exposure, the uses of other eye protection equipment, and the hygiene of the lenses. However, there may be individual substances whose irritating or corrosive properties are such that the wearing of contact lenses would be harmful to the eye. In those specific cases, contact lenses should not be worn. In any event, the usual eye protection equipment should be worn even when contact lenses are in place.

If material not involved in fire: Keep material out of water sources. Build dikes to contain flow as necessary. Neutralize spilled material with crushed limestone, soda ash, or lime.

Personnel protection: Avoid breathing vapors. Keep upwind. Avoid bodily contact with material. Do not handle broken packages unless wearing appropriate personal protective equipment. Wash away any material which may have contacted the body with copious amounts of water or soap and water. If contact with material anticipated, wear appropriate chemical protective clothing.

Excerpt from ERG Guide 154 [Substances - Toxic and/or Corrosive (Non-Combustible)]:

ELIMINATE all ignition sources (no smoking, flares, sparks or flames) from immediate area. Do not touch damaged containers or spilled material unless wearing appropriate protective clothing. Stop leak if you can do it without risk. Prevent entry into waterways, sewers, basements or confined areas. Absorb or cover with dry earth, sand or other non-combustible material and transfer to containers. DO NOT GET WATER INSIDE CONTAINERS. (ERG, 2024)

Separated from strong bases, metals and food and feedstuffs. Well closed. Ventilation along the floor. Store only in original container. Do NOT store or transport in containers made from metal or glass. Store in an area without drain or sewer access.

Separated from strong bases, food and feedstuffs. Well closed. Ventilation along the floor. /table/

Pure HBF4 (fluoroboric acid) may be stored in glass vessels at room temperature.

· Wear positive pressure self-contained breathing apparatus (SCBA).

· Wear chemical protective clothing that is specifically recommended by the manufacturer when there is NO RISK OF FIRE.

· Structural firefighters' protective clothing provides thermal protection but only limited chemical protection.

0.30 [mg/m3]

3.3 [mg/m3]

20 [mg/m3]

8 hr Time Weighted Avg (TWA): 2.5 mg/cu m. /Fluorides, as F/

Excursion Limit Recommendation: Excursions in worker exposure levels may exceed 3 times the TLV-TWA for no more than a total of 30 minutes during a work day, and under no circumstances should they exceed 5 times the TLV-TWA, provided that the TLV-TWA is not exceeded. /Fluorides, as F/

Biological Exposure Index (BEI): Determinant: fluorides in urine; Sampling Time: prior to shift; BEI: 3 mg/g creatinine. Determinant: fluorides in urine; Sampling Time: end of shift; BEI: 10 mg/g creatinine. The determinant may be present in biological specimens collected from subjects who have not been occupationally exposed, at a concentration which could affect interpretation of the result. Such background concentrations are incorporated in the BEI value. The determinant is nonspecific, since it is also observed after exposure to other chemicals. /Fluorides/

A4; Not classifiable as a human carcinogen. /Fluorides, as F/

(as F): 2.5 mg/m

(inhalable fraction): 1 mg/m

Small Fire

· Dry chemical, CO2 or water spray.

Large Fire

· Dry chemical, CO2, alcohol-resistant foam or water spray.

· If it can be done safely, move undamaged containers away from the area around the fire.

· Dike runoff from fire control for later disposal.

Fire Involving Tanks, Rail Tank Cars or Highway Tanks

· Fight fire from maximum distance or use unmanned master stream devices or monitor nozzles.

· Do not get water inside containers.

· Cool containers with flooding quantities of water until well after fire is out.

· Withdraw immediately in case of rising sound from venting safety devices or discoloration of tank.

· ALWAYS stay away from tanks in direct contact with flames.

Limit for livestock is 5 ug/ml boron in water. /Boron/

0.5 mg/L maximum (USSR) /Boron in drinking water/

No indication can be given about the rate at which a harmful concentration of this substance in the air is reached when dispersed.

Corrosive. Inhalation may cause severe swelling of the throat. This may result in asphyxia. Inhalation may cause lung oedema, but only after initial corrosive effects on eyes and/or airways have become manifest. Exposure at high levels could cause severe lung damage. Medical observation is indicated.

Excerpt from ERG Guide 154 [Substances - Toxic and/or Corrosive (Non-Combustible)]:

Wear positive pressure self-contained breathing apparatus (SCBA). Wear chemical protective clothing that is specifically recommended by the manufacturer when there is NO RISK OF FIRE. Structural firefighters' protective clothing provides thermal protection but only limited chemical protection. (ERG, 2024)

Protective gloves. Protective clothing. Face shield or eye protection in combination with breathing protection.

AVOID ALL CONTACT! IN ALL CASES CONSULT A DOCTOR!

Use ventilation, local exhaust or breathing protection.

Protective gloves. Protective clothing.

Wear face shield or eye protection in combination with breathing protection.

Do not eat, drink, or smoke during work.

Fluoroboric acid appears as a colorless odorless poisonous liquid. Corrosive to metals and tissue. It is used in electroplating, metal cleaning and making diazo salts.

Colorless liquid; [ICSC] Pungent odor; [Alfa Aesar MSDS]

COLOURLESS LIQUID.

Colorless liquid

130 °C decomposes

Very soluble in water, ethanol

Approximately 1.8 g/cu cm

Relative density (water = 1): 1.4 (50% solution)

1.84 @25 °C

5.0 [mmHg]

When heated to decomposition it emits toxic vapors of boron and /hydrogen fluoride/.

Refractive index of a 20% aqueous solution: 1.3284 at 20 °C/D

pKa: -4.9

Heat of formation: 388.5 kcal; undergoes limited hydrolysis in water to form hydroxyfluoborate ions; major product is BF3OH- ion; forms crystalline salts with metals

Heat of formation (aqueous, 1 molal at 25 °C): -1527 kJ/mol; specific gravity (48% solution): 1.37; specific gravity (42% solution): 1.32; specific gravity (30% solution): 1.20; surface tension (48% solution at 25 °C): 65.3 mN/m

Fluoroboric acid does not exist as a free, pure substance; the acid is only stable as the solvated ion pair, such as H3O+BF4-

Toxic Gases & Vapors -> Acids, Inorganic

Corrosives

Reactive agents - 1st degree

Soluble in water with release of heat.

Acids, Strong Non-oxidizing

Known Catalytic Activity

FLUOROBORIC ACID is a strong acid. Reacts exothermically with chemical bases (examples: amines, amides, and inorganic hydroxides). These reactions can generate dangerously large amounts of heat in small spaces. Dissolution in water or the dilution of a concentrated aqueous solution may generate significant heat. Reacts with active metals, including such structural metals as aluminum and iron, to release hydrogen, a flammable gas. Can initiate the polymerization of certain alkenes. Reacts with cyanide compounds to release gaseous hydrogen cyanide. Generates flammable and/or toxic gases in contact with dithiocarbamates, isocyanates, mercaptans, nitrides, nitriles, sulfides, and strong reducing agents. Additional gas-generating reactions occur with sulfites, nitrites, thiosulfates (to give H2S and SO3), dithionites (SO2), and carbonates. May catalyze (increase the rate of) chemical reactions. Attempted drying of the acid with acetic anhydride caused an explosion at 0 °C [J. Organomet. Chem., 1975, 94, 319].

Interaction of ... /hexafluorisopropylideneaminolithium/ with a range of chloro- and fluoro-derivatives of boron ... during warming to 25 °C tended to be violently exothermic in absence of solvent.

Undergoes limited hydrolysis in water to form hydroxyfluoborate ions; major product is BF3OH-.

The substance decomposes on heating and on burning producing toxic and corrosive fumes including hydrogen fluoride and fluorine. The substance is a strong acid, it reacts violently with bases and is corrosive. Attacks many metals forming flammable/explosive gas /From table/

Noncombustible, but material reacts with active metals, releasing flammable hydrogen gas.

A4; Not classifiable as a human carcinogen. /Fluorides, as F/

Serious local effects and systemic effects by all routes of exposure.

Sore throat. Cough. Burning sensation. Shortness of breath. Laboured breathing.

Pain. Blisters.

Redness. Pain. Severe deep burns.

Burns in mouth and throat. Sore throat. Burning sensation. Abdominal pain. Diarrhoea. Vomiting. Shock or collapse.

Dermatotoxin - Skin burns.

Toxic Pneumonitis - Inflammation of the lungs induced by inhalation of metal fumes or toxic gases and vapors.

LD50 Rat oral 100-200 mg/kg bw

LD50 Rat oral 464-1000 mg/kg bw /51% Tetrafluoroboric acid/

LD50 Mouse oral <50 mg/kg bw

LD50 Guinea pig dermal 2.5-5.0 mL/kg bw /21.7% Tetrafluoroboric acid/

LD50 Rat ip 10-25 mg/kg bw

Maintain an open airway and assist ventilation if nescessary. treat coma, seizures, hypotension, and renal failure if they occur. There is no specific antidote. Administer activated charcoal (although boric acid is not well absorbed). Consider gastric lavage for large ingestions. /Boric acid, Borates, and Boron/

Hemodialysis is effective and is indicated after massive ingestions and for supportive care of renal failure. Peritoneal dialysishas not proved effective in enhancing elimination in infants. /Boric acid, Borates, and Boron/

In acute poisonings, if a large amount has been ingested and the patient is seen within one hour of exposure, gastrointestinal decontamination should be considered ... .It is important to keep in mind that vomiting and diarrhea are common, and severe poisoning may be associated with seizures. Therefore induction of emesis by syrup of ipecac is probably contraindicated in these exposures. Catharsis is not indicated if diarrhea is present. /Boric acid and Borates/

If ingestion of borate has been massive (several grams), or has extended over several days, administer intravenous glucose and electrolyte solutions to sustain urinary excretion of borate. Monitor fluid balance and serum electrolytes (including bicarbonate capacity ) regularly. Monitor cardiac status by ECG. Test the urine for proteins and cells to detect renal injury, and monitor serum concentration of borate. Metabolic acidosis may be treated with sodium bicarbonate. If shock develops, it may be necessary to infuse plasma or whole blood. Administer oxygen continuously. If oliguria (less than 25 to 30 mL urine per hour) occurs, intravenous fluids must be slowed or stopped to avoid overloading the circulation. Such patients should be referred to a center capable of providing intensive care for critically ill patients. /Boric acid and Borates/

For more Antidote and Emergency Treatment (Complete) data for FLUOBORIC ACID (7 total), please visit the HSDB record page.

Physical examinations of exposed personnel every six months including fluoride determinations in urine, studies of liver and kidney function; chest X-ray, annually. Protect from exposure those individuals with diseases of kidneys, liver, and lung. /Hydrofluoric acid/

No specific considerations are needed for boric acid or borates except for general health and liver and kidney function. /Boric acid and borates/

/SIGNS AND SYMPTOMS/ Chronic effects: (from inhalation or ingestion), may cause fluorosis. Symptoms- weight loss, malaise, anemia, leukopenia, discoloration of teeth, osteosclerosis. /Hydrofluoric acid/

/SIGNS AND SYMPTOMS/ Contact of skin with anhydrous liquid produces severe burns that are felt immediately. Concentrated aqueous solution also cause early sensation of pain, but dilute solution may give no warning of injury. /Hydrofluoric acid/

/SIGNS AND SYMPTOMS/ All forms-dilute or concentrated solution or vapor of hydrofluoric acid (HF) ... cause severe burns. Inhalation of anhydrous HF or HF mists or vapors can cause severe respiratory tract irritation that may be fatal. /Hydrofluoric acid/

/SIGNS AND SYMPTOMS/ Effects of short-term exposure: Corrosive. The substance is corrosive to the eyes, the skin and the respiratory tract. Corrosive on ingestion. Inhalation of the aerosol may cause lung edema. The effects may be delayed. /from table/

For more Human Toxicity Excerpts (Complete) data for FLUOBORIC ACID (9 total), please visit the HSDB record page.

/LABORATORY ANIMALS: Acute Exposure/ For mice (5 per group), an approximate LD50 was given as <50 mg/kg bw for oral administration of tetrafluoroboric acid. The observation period was 14 days. Clinical signs of toxicity included weakness, ataxia and twisting motions. Deaths occurred between 15 minutes and 9 days after administration.

/LABORATORY ANIMALS: Acute Exposure/ Following ip administration of tetrafluoroboric acid to rats (5/group), an approximate LD50 of 10-25 mg/kg bw was reported. The observation period was 14 days. Clinical signs of toxicity observed included weakness and ataxia. Deaths occurred between 27 minutes and 9 days after administration.

/LABORATORY ANIMALS: Acute Exposure/ The danger of hydrofluoric acid solutions depends upon the concentration. Experimental splash burns in rabbits... have shown 20% solution to cause immediate damage with total corneal opacification with conjunctival eschemia, and with corneal stromal edema within an hour, followed by necrosis of anterior ocular structures. An 8% solution produced ischemia and corneal stromal edema persisting for 40-65 days, accompanied by corneal vascularization. Even a 2% solution caused mild persistent stromal edema and vascularization, but after 0.5% solution there was recovery in 10 days. /Hydrofluoric acid/

/LABORATORY ANIMALS: Acute Exposure/ The acute oral toxicity of tetrafluoroboric acid was investigated in groups of 5 male and 5 female rats... . A 51.5% aqueous solution of tetrafluoroboric acid was used for testing. Dose levels were 10, 100, 464, and 1000 mg/kg bw and the observation period was 14 days. The 10 mg/kg bw dose was tolerated without signs of toxicity. Following 100 mg/kg bw, dyspnea, sedation and lack of appetite were observed, and in the males, half-closed eyes. The signs of toxicity were reversible after 24 hours. Following 464 mg/kg bw, signs of intoxication included dyspnea, sedation, half or completely closed eyes, hyporeflexia, ataxia, body tremor, reduced muscle tone, squatting position and prone position, vocalization, slightly reduced locomotor activity and glassy eyes, but the dose was survived by all rats. Following 1000 mg/kg bw, all animals died within 24 hours. Autopsy of the deceased rats revealed edematous and highly hemorrhagic gastrointestinal walls as well as blood-piebalded livers. Dissection of the surviving rats showed no treatment-related findings.

For more Non-Human Toxicity Excerpts (Complete) data for FLUOBORIC ACID (7 total), please visit the HSDB record page.

This substance may be hazardous to the environment. Special attention should be given to fish.

This substance may be hazardous to the environment. Special attention should be given to fish.

SRP: The most favorable course of action is to use an alternative chemical product with less inherent propensity for occupational exposure or environmental contamination. Recycle any unused portion of the material for its approved use or return it to the manufacturer or supplier. Ultimate disposal of the chemical must consider: the material's impact on air quality; potential migration in soil or water; effects on animal, aquatic, and plant life; and conformance with environmental and public health regulations.

Waste treatment ... includes a pretreatment with aluminum sulfate to facilitate hydrolysis, and final precipitation of fluoride with lime.

Two methods for the treatment of fluoborate wastewater from the electroplating of tin, solder, copper and nickel striping were investigated. These involved specific ion flotation and electrodialysis. The fluoborate ion was found to bind with an alkylamine acetate by displacement of the acetate group and can be removed from dilute waste stream either by air flotation or ultrafiltration. A high density low porosity graphite anode that is resistant to the corrosive properties of fluoboric acid electrolyte was developed for electrodialysis treatment of the tin, solder and copper fluoborate containing wastewaters. In general, recoveries of the fluoborate ions were in excess of 80 percent.

/GUIDE 154: SUBSTANCES - TOXIC AND/OR CORROSIVE (NON-COMBUSTIBLE)/ Health: TOXIC; inhalation, ingestion, or skin contact with material may cause severe injury or death. Contact with molten substance may cause severe burns to skin and eyes. Avoid any skin contact. Effects of contact or inhalation may be delayed. Fire may produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may be corrosive and/or toxic and cause pollution.

/GUIDE 154: SUBSTANCES - TOXIC AND/OR CORROSIVE (NON-COMBUSTIBLE)/ Fire or Explosion: Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes. Some are oxidizers and may ignite combustibles (wood, paper, oil, clothing, etc.). Contact with metals may evolve flammable hydrogen gas. Containers may explode when heated.

/GUIDE 154: SUBSTANCES - TOXIC AND/OR CORROSIVE (NON-COMBUSTIBLE)/ Public Safety: CALL Emergency Response Telephone Number ... . As an immediate precautionary measure, isolate spill or leak area in all directions for at least 50 meters (150 feet) for liquids and at least 25 meters (75 feet) for solids. Keep unauthorized personnel away. Stay upwind. Keep out of low areas. Ventilate enclosed areas.

/GUIDE 154: SUBSTANCES - TOXIC AND/OR CORROSIVE (NON-COMBUSTIBLE)/ Protective Clothing: Wear positive pressure self-contained breathing apparatus (SCBA). Wear chemical protective clothing that is specifically recommended by the manufacturer. It may provide little or no thermal protection. Structural firefighters' protective clothing provides limited protection in fire situations ONLY; it is not effective in spill situations where direct contact with the substance is possible.

For more DOT Emergency Guidelines (Complete) data for FLUOBORIC ACID (8 total), please visit the HSDB record page.

UN 1775; Fluoboric acid

IMO 8.2; Fluoboric acid

49 302 22; Fluoboric acid

No person may /transport,/ offer or accept a hazardous material for transportation in commerce unless that person is registered in conformance ... and the hazardous material is properly classed, described, packaged, marked, labeled, and in condition for shipment as required or authorized by ... /the hazardous materials regulations (49 CFR 171-177)./

The International Air Transport Association (IATA) Dangerous Goods Regulations are published by the IATA Dangerous Goods Board pursuant to IATA Resolutions 618 and 619 and constitute a manual of industry carrier regulations to be followed by all IATA Member airlines when transporting hazardous materials.

The International Maritime Dangerous Goods Code lays down basic principles for transporting hazardous chemicals. Detailed recommendations for individual substances and a number of recommendations for good practice are included in the classes dealing with such substances. A general index of technical names has also been compiled. This index should always be consulted when attempting to locate the appropriate procedures to be used when shipping any substance or article.

Corrosive

Unbreakable packaging. Put breakable packaging into closed unbreakable container. Do not transport with food and feedstuffs.

Symbol: C; R: 34; S: (1/2)-26-27-45

UN Hazard Class: 8; UN Pack Group: II