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Key Documents

B103500

Sigma-Aldrich

Butyric acid

≥99%

Synonym(s):

1-Propanecarboxylic acid, Ethylacetic acid, Propylformic acid, n-Butanoic acid, n-Butyric acid

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About This Item

Linear Formula:
CH3CH2CH2COOH
CAS Number:
Molecular Weight:
88.11
Beilstein:
906770
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

vapor density

3.04 (vs air)

Quality Level

vapor pressure

0.43 mmHg ( 20 °C)

Assay

≥99%

form

liquid

autoignition temp.

824 °F

expl. lim.

10 %

technique(s)

HPLC: suitable

refractive index

n20/D 1.398 (lit.)

pH

2 (25 °C, 10 g/L)
3 (20 °C, 10 g/L)

bp

162 °C (lit.)

mp

−6-−3 °C (lit.)

solubility

water: soluble 10 g/L at 20 °C

density

0.964 g/mL at 25 °C (lit.)

SMILES string

CCCC(O)=O

InChI

1S/C4H8O2/c1-2-3-4(5)6/h2-3H2,1H3,(H,5,6)

InChI key

FERIUCNNQQJTOY-UHFFFAOYSA-N

Gene Information

human ... HDAC1(3065)

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General description

Butyric acid, also known as Ethylacetic acid, is a short-chain volatile fatty acid that is commonly used as a precursor in the synthesis of ethyl butyrate and butyl butyrate.

Application

Butyric acid may be used as a starting material in the preparation of 4-heptanone.

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1B - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

161.6 °F - closed cup

Flash Point(C)

72 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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