E

Ethyl formate

IUPAC: ethyl formate

C3H6O2 Organic Compounds CAS 109-94-4
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Quick Reference
Formula / NotationC3H6O2
CAS Number109-94-4
Molecular Weight74.08
Melting Point-110 °F (USCG, 1999)
Boiling Point129.6 °F at 760 mmHg (USCG, 1999)
Density0.922 at 68 °F (USCG, 1999) - Less dense than water; will float
Solubility9 % at 64 °F (NIOSH, 2024)
AppearanceEthyl formate appears as a clear colorless liquid with a pleasant odor. Flash point -4 °F. Less dense than water. Vapors heavier than air.
Also Known As109-94-4; Areginal; Formic acid, ethyl ester; Ethyl methanoate; Ethyl formic ester; Aethylformiat; Formic ether; Ethylformiaat; Mrowczan etylu; Carboxylic acid oxaethane
CategoryOrganic Compounds

What is Ethyl formate?

Ethyl formate is a formate ester resulting from the formal condensation of formic acid with ethanol. It has a role as a fumigant and a plant metabolite. It is an ethyl ester and a formate ester.

Formula & Notation

C3H6O2

IUPAC Name: ethyl formate

Other Names / Synonyms: 109-94-4; Areginal; Formic acid, ethyl ester; Ethyl methanoate; Ethyl formic ester; Aethylformiat; Formic ether; Ethylformiaat; Mrowczan etylu; Carboxylic acid oxaethane

Properties & Characteristics

Appearance: Ethyl formate appears as a clear colorless liquid with a pleasant odor. Flash point -4 °F. Less dense than water. Vapors heavier than air.. Molecular formula: C3H6O2. Molecular weight: 74.08 g/mol. Boiling point: 129.6 °F at 760 mmHg (USCG, 1999). Melting point: -110 °F (USCG, 1999). Density: 0.922 at 68 °F (USCG, 1999) - Less dense than water; will float. Solubility: 9 % at 64 °F (NIOSH, 2024). Vapor pressure: 200 mmHg (NIOSH, 2024). LogP: 0.5.

Physical Data

PropertyValue
Melting Point-110 °F (USCG, 1999)
Boiling Point129.6 °F at 760 mmHg (USCG, 1999)
Density0.922 at 68 °F (USCG, 1999) - Less dense than water; will float
Molecular Weight74.08
Solubility9 % at 64 °F (NIOSH, 2024)
AppearanceEthyl formate appears as a clear colorless liquid with a pleasant odor. Flash point -4 °F. Less dense than water. Vapors heavier than air.

Uses & Applications

Used as an industrial feedstock, solvent, pharmaceutical intermediate, flavoring agent, or chemical building block.

Safety Information

Flammable or irritant. Many organic compounds are flammable liquids or vapours. Keep away from ignition sources. Consult SDS for specific hazard data.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Ethyl formate
Formula C3H6O2
CAS Number 109-94-4
Molecular Weight 74.08
Synonyms 109-94-4; Areginal; Formic acid, ethyl ester; Ethyl methanoate; Ethyl formic ester; Aethylformiat; Formic ether; Ethylformiaat; Mrowczan etylu; Carboxylic acid oxaethane

Frequently Asked Questions

Ethyl formate is a formate ester resulting from the formal condensation of formic acid with ethanol. It has a role as a fumigant and a plant metabolite. It is an ethyl ester and a formate ester.

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Editorial standards: Chemical data is sourced from peer-reviewed literature, CAS Registry, NIST WebBook, and PubChem. Safety information reflects guidance from OSHA, ECHA, and IAEA. For educational purposes only — always consult official SDS documentation and qualified professionals before handling chemicals.