English Safety Data Sheet Database 中文版 MSDS

sodium chloroacetate

CAS No. 3926-62-3 | PubChem CID 23665759
Section 1. Identification
Chemical Namesodium chloroacetate CAS No.3926-62-3
Synonymschloroaceticacidsodium salt Chinese Name一氯乙酸钠
Molecular FormulaCHCINaO2 Molecular Weight116.5
UN No.2659 Data SourcePubChem (NIH/NLM)
GHS Hazard Classification
Signal Word DANGER
Pictograms GHS06 · Acute Toxic GHS07 · Irritant GHS08 · Health Hazard GHS09 · Environmental Hazard
Hazard Statements H301H315H400H319H410H302H313H320H335H361H371H373
Precautionary Statements P264P270P273P280P301+P316P302+P352P321P330P332+P317P362+P364P391P405P501P264+P265P305+P351+P338P337+P317P203P260P261P271P301+P317P302+P317P304+P340P308+P316P318P319P403+P233

Section 2. Hazards Identification

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

H315: Causes skin irritation [Warning Skin corrosion/irritation]

H400: Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]

P264, P270, P273, P280, P301+P316, P302+P352, P321, P330, P332+P317, P362+P364, P391, P405, and P501 (click each P-code to see the statement)

H301 (100%): Toxic if swallowed [Danger Acute toxicity, oral]

H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]

H319 (82.6%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

H400 (100%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]

H410 (17.9%): Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard]

P264, P264+P265, P270, P273, P280, P301+P316, P302+P352, P305+P351+P338, P321, P330, P332+P317, P337+P317, P362+P364, P391, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 873 reports by companies from 9 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.

H302: Harmful if swallowed [Warning Acute toxicity, oral]

H313: May be harmful in contact with skin [Warning Acute toxicity, dermal]

H320: Causes eye irritation [Warning Serious eye damage/eye irritation]

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

H361: Suspected of damaging fertility or the unborn child [Warning Reproductive toxicity]

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

H373: May causes damage to organs through prolonged or repeated exposure [Warning Specific target organ toxicity, repeated exposure]

P203, P260, P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P317, P304+P340, P305+P351+P338, P308+P316, P318, P319, P330, P337+P317, P403+P233, P405, and P501 (click each P-code to see the statement)

Section 4. First-Aid Measures

Fresh air, rest. Seek medical attention if you feel unwell.

Rinse skin with plenty of water or shower.

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. Give one or two glasses of water to drink. Refer for medical attention .

Excerpt from ERG Guide 151 [Substances - Toxic (Non-Combustible)]:

Refer to the "General First Aid" section. (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.

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

Section 5. Fire-Fighting Measures

Excerpt from ERG Guide 151 [Substances - Toxic (Non-Combustible)]:

SMALL FIRE: Dry chemical, CO2 or water spray.

LARGE FIRE: Water spray, fog or regular foam. If it can be done safely, move undamaged containers away from the area around the fire. Dike runoff from fire control for later disposal. Avoid aiming straight or solid streams directly onto the product.

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. For massive fire, use unmanned master stream devices or monitor nozzles; if this is impossible, withdraw from area and let fire burn. (ERG, 2024)

Use water spray, carbon dioxide, dry powder, foam.

Section 6. Accidental Release Measures

· 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.

· 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.

· Cover with plastic sheet to prevent spreading.

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

· DO NOT GET WATER INSIDE CONTAINERS.

· For solids, prevent dust cloud and avoid inhalation of dust.

Excerpt from ERG Guide 151 [Substances - Toxic (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: particulate filter respirator adapted to the airborne concentration of the substance. Do NOT let this chemical enter the environment. Do NOT wash away into sewer. Sweep spilled substance into covered containers. If appropriate, moisten first to prevent dusting. Carefully collect remainder. Then store and dispose of according to local regulations.

Section 7. Handling and Storage

Excerpt from ERG Guide 151 [Substances - Toxic (Non-Combustible)]:

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. Cover with plastic sheet to prevent spreading. Absorb or cover with dry earth, sand or other non-combustible material and transfer to containers. DO NOT GET WATER INSIDE CONTAINERS. For solids, prevent dust cloud and avoid inhalation of dust. (ERG, 2024)

Separated from food and feedstuffs and strong oxidants. Provision to contain effluent from fire extinguishing. Store in an area without drain or sewer access.

Section 8. Exposure Controls / Personal Protection

· 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.

2.0 [mg/m3], inhalable fraction[German Research Foundation (DFG)]

4.0 [mg/m3]

44 [mg/m3]

260 [mg/m3]

(inhalable fraction, as monochloroacetic acid): 2 mg/m

Small Fire

· Dry chemical, CO2 or water spray.

Large Fire

· Water spray, fog or regular foam.

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

· Dike runoff from fire control for later disposal.

· Avoid aiming straight or solid streams directly onto the product.

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.

· For massive fire, use unmanned master stream devices or monitor nozzles; if this is impossible, withdraw from area and let fire burn.

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

The substance is mildly irritating to the eyes. The substance is irritating to the respiratory tract. The substance may cause effects on the metabolism. This may result in metabolic acidosis and multiple organ failure.

Excerpt from ERG Guide 151 [Substances - Toxic (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)

NO open flames. NO contact with strong oxidizing agents.

PREVENT DISPERSION OF DUST!

Use local exhaust or breathing protection.

Protective gloves.

Wear safety spectacles or eye protection in combination with breathing protection if powder.

Do not eat, drink, or smoke during work. Wash hands before eating.

Section 9. Physical and Chemical Properties

Sodium chloroacetate is a white colored powdered solid. It is soluble in water. It may be toxic ingestion or inhalation. It is used to make weed killers, dyes and pharmaceuticals.

Liquid; Dry Powder; CBI; Large Crystals

White, odorless, solid; [Hawley] White powder; [MSDSonline]

COLOURLESS CRYSTALS OR WHITE POWDER.

Solubility in water, g/100ml at 20 °C: 85

Relative vapor density (air = 1): 3.26

0.86 [mmHg]

Vapor pressure at 25 °C: negligible

> 150 °C

Metals -> Organic Acids, Metal Salts

FCS -> FDA Cumulative Estimated Daily Intake (CEDI)

Herbicides

Active substance -> EU Pesticides database: Not approved

Section 10. Stability and Reactivity

It is soluble in water.

Halogenated Organic Compounds

Salts, Basic

Salts, basic, such as SODIUM CHLOROACETATE, are generally soluble in water. The resulting solutions contain moderate concentrations of hydroxide ions and have pH's greater than 7.0. They react as bases to neutralize acids. These neutralizations generate heat, but less or far less than is generated by neutralization of the bases in reactivity group 10 (Bases) and the neutralization of amines. They usually do not react as either oxidizing agents or reducing agents but such behavior is not impossible.

Section 11. Toxicological Information

The substance can be absorbed into the body by ingestion.

Cough. Sore throat.

Redness.

Unconsciousness.

Neurotoxin - Other CNS neurotoxin

Occupational hepatotoxin - Secondary hepatotoxins: the potential for toxic effect in the occupational setting is based on cases of poisoning by human ingestion or animal experimentation.

The substance is very toxic to aquatic organisms. The substance may cause long-term effects in the aquatic environment.

Section 12. Ecological Information

The substance is very toxic to aquatic organisms. The substance may cause long-term effects in the aquatic environment.

Section 14. Transport Information

Do not transport with food and feedstuffs.

Symbol: T, N; R: 25-38-50; S: (1/2)-22-37-45-61

UN Hazard Class: 6.1; UN Pack Group: III

Source: PubChem CID 23665759 (NIH/NLM, public domain). Retrieved from PubChem, a public-domain chemistry database maintained by the U.S. National Library of Medicine. Last updated: 2026-08-02 10:05:09.
Disclaimer: This information is compiled for reference only and does not replace the manufacturer's official Safety Data Sheet. Always consult the supplier's SDS before handling any chemical.