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Is 2-Ethylhexanol 2-EH flammable? CAS 104-76-7

Dec 25, 2025 Leave a message

2-Ethylhexanol 2-EH (CAS 104-76-7) or better known as octanol with the chemical formula CH3 (CH2) 3CH (C2H5) CH2OH is an organic compound of the alcohol group. At room temperature, octanol is a clear, colorless, liquid compound with a distinctive aroma.
It has low solubility in water and low toxicity, but is flammable. When reacted, it has the same reaction properties as primary alcohols and can quickly react with acids to form esters (BASF, 2001).
The raw material in the manufacture of octanol is butyldaldehyde obtained from the hydroformylation process (oxo process) using propylene and syn-gas.

 

Is 2-Ethylhexanol 2-EH flammable? CAS 104-76-7

Yes, but with one important distinction. With a flashpoint of 81°C, it is technically classified as a 'combustible' liquid rather than a 'flammable' liquid (the latter typically having a flashpoint below 37.8°C). However, it can produce flammable vapour-air mixtures at temperatures above its flashpoint (e.g. during industrial processing). It should therefore always be handled away from sources of heat, sparks and open flames.

 

2-Ethylhexanol 2-EH

Is 2-Ethylhexanol 2-EH toxic?

2-Ethylhexanol CAS 104-76-7 is considered to have low to moderate acute toxicity. Contact may irritate skin, eyes and mucous membranes. May be toxic by ingestion, inhalation and skin absorption.

 

Safety Information:

- 2-Ethylhexanol is moderately toxic and may be irritating to the respiratory tract, eyes, and skin.

- Take appropriate personal protective measures upon contact, such as wearing protective eyewear, gloves, and protective clothing.

- Avoid inhaling fumes, gases, or mists. Ensure a well-ventilated working environment.

 

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