English Safety Data Sheet Database 中文版 MSDS

2-hexanol

CAS No. 626-93-7 | PubChem CID 12297
Section 1. Identification
Chemical Name2-hexanol CAS No.626-93-7
Synonymssec-hexylalcohol Chinese Name2-己醇
Molecular FormulaC6H14O Molecular Weight102.18
UN No.2282 Data SourcePubChem (NIH/NLM)
GHS Hazard Classification
Signal Word WARNING
Pictograms GHS02 · Flammable GHS07 · Irritant
Hazard Statements H226H302H312H315H319H335
Precautionary Statements P210P233P240P241P242P243P261P264P264+P265P270P271P280P301+P317P302+P352P303+P361+P353P304+P340P305+P351+P338P317P319P321P330P332+P317P337+P317P362+P364P370+P378P403+P233P403+P235P405P501

Section 2. Hazards Identification

H226 (100%): Flammable liquid and vapor [Warning Flammable liquids]

H302+H312 (39%): Harmful if swallowed or in contact with skin [Warning Acute toxicity, oral; acute toxicity, dermal]

H302 (42.3%): Harmful if swallowed [Warning Acute toxicity, oral]

H312 (39%): Harmful in contact with skin [Warning Acute toxicity, dermal]

H315 (56.9%): Causes skin irritation [Warning Skin corrosion/irritation]

H319 (96.6%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

H335 (56.9%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

P210, P233, P240, P241, P242, P243, P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P317, P319, P321, P330, P332+P317, P337+P317, P362+P364, P370+P378, P403+P233, P403+P235, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 267 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.

Section 4. First-Aid Measures

Fresh air, rest. Refer for medical attention.

Remove contaminated clothes. Rinse skin with plenty of water or shower. Refer for medical attention .

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

Rinse mouth. Refer for medical attention .

Section 5. Fire-Fighting Measures

Use foam, alcohol-resistant foam, powder, carbon dioxide. In case of fire: keep drums, etc., cool by spraying with water.

Section 6. Accidental Release Measures

Personal protection: filter respirator for organic gases and vapours adapted to the airborne concentration of the substance. Do NOT let this chemical enter the environment. Collect leaking and spilled liquid in sealable containers as far as possible. Absorb remaining liquid in earth, sand or inert absorbent. Then store and dispose of according to local regulations.

Section 7. Handling and Storage

Fireproof. Separated from strong oxidants.

Section 8. Exposure Controls / Personal Protection

8.8 [mg/m3]

97 [mg/m3]

580 [mg/m3]

No indication can be given about the rate at which a harmful concentration of this substance in the air is reached on evaporation at 20 °C.

The substance is irritating to the skin. The substance may cause effects on the central nervous system.

The substance defats the skin, which may cause dryness or cracking. The substance may have effects on the nervous system. This may result in peripheral neuropathy.

NO open flames, NO sparks and NO smoking. Above 41 °C use a closed system, ventilation and explosion-proof electrical equipment.

Use ventilation.

Protective gloves.

Wear face shield.

Do not eat, drink, or smoke during work.

Section 9. Physical and Chemical Properties

Colorless liquid; [ICSC]

COLOURLESS LIQUID WITH CHARACTERISTIC ODOUR.

139 °C @760 [mm Hg]

Solubility in water: poor

Relative density (water = 1): 0.8

0.814 @25 °C

Relative vapor density (air = 1): 3.5

2.49 [mmHg]

Fatty Acyls [FA] -> Fatty alcohols [FA05]

Solvents -> Alcohols (<C12)

Section 10. Stability and Reactivity

2-Hexanol

B*: Compounds that form peroxides on concentration (distillation/evaporation)

1 samples, 10 ppm Peroxide; &gt; 1 yr

Section 11. Toxicological Information

The substance can be absorbed into the body by inhalation and through the skin.

Dry skin. Redness.

Neurotoxin - Acute solvent syndrome

This substance may be hazardous to the environment. Special attention should be given to algae. Environmental effects from the substance have not been investigated adequately.

Section 12. Ecological Information

This substance may be hazardous to the environment. Special attention should be given to algae. Environmental effects from the substance have not been investigated adequately.

Section 14. Transport Information

UN Hazard Class: 3; UN Pack Group: III

Source: PubChem CID 12297 (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 09:08:31.
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.