2-Ethylbutyric Acid

2-Ethylbutyric acid

CAS No.: 88-09-5

[Synonyms]

2-Ethylbutanoic Acid

2-Ethyl-n-butyric acid

3-Pentanecarboxylic acid

Acetic acid, diethyl

Butanoic acid, 2-ethyl

EINECS 201-796-4

CAS No. 88-09-5

Density 0.924

PSA 37.30000

LogP 1.50720

Solubility sparingly soluble miscible with the usual organic solvents

Melting Point -13 ºC

Formula C₆H₁₂O₂

Boiling Point 194 ºC

Molecular Weight 116.16

Flash Point 87 ºC

Transport Information 2810

Appearance clear liquid

Safety Moderately toxic by ingestion and skin contact. An irritant to skin and mucous membranes. A severe eye irritant. See also ESTERS. Narcotic in high concentrations. Flammable liquid. To fight fire, use CO₂, dry chemical, alcohol foam. When heated to decomposition it emits acrid smoke and fumes.

Risk Codes R21;R34

[Uses]

2-Ethylbutyric acid is used as the internal standard for determining volatile fatty acids (VFAs) in wastewater from the constructed wetlands. It is used in the determination of both free and fatty acids in milk and milk products by HPLC method with direct derivatisation.

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