Merck
All Photos(1)

109797

Sigma-Aldrich

Propionic acid

99%

Synonym(s):
Propanyl acid, Acid C3, Propanoic acid
Linear Formula:
CH3CH2COOH
CAS Number:
Molecular Weight:
74.08
Beilstein:
506071
EC Number:
MDL number:
eCl@ss:
39021305
PubChem Substance ID:
NACRES:
NA.22

Quality Level

vapor density

2.55 (vs air)

vapor pressure

2.4 mmHg ( 20 °C)

assay

99%

form

liquid

autoignition temp.

955 °F

expl. lim.

12.1 %

refractive index

n20/D 1.386 (lit.)

bp

141 °C (lit.)
141 °C

mp

−24-−23 °C (lit.)

density

0.993 g/mL at 25 °C (lit.)

SMILES string

CCC(O)=O

InChI

1S/C3H6O2/c1-2-3(4)5/h2H2,1H3,(H,4,5)

Inchi Key

XBDQKXXYIPTUBI-UHFFFAOYSA-N

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Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

129.2 °F - closed cup

Flash Point(C)

54 °C - closed cup

Certificate of Analysis

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Certificate of Origin

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