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240354

Propionic acid

≥99%

Synonym(s):

Acid C3, Propanoic acid, Propanyl acid

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About This Item

Linear Formula:
CH3CH2COOH
CAS Number:
79-09-4
Molecular Weight:
74.08
EC Number:
201-176-3
UNSPSC Code:
12161700
PubChem Substance ID:
329752546
Beilstein/REAXYS Number:
506071
MDL number:
MFCD00002756
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vapor density

2.55 (vs air)

vapor pressure

2.4 mmHg ( 20 °C)

assay

≥99%

autoignition temp.

955 °F

expl. lim.

12.1 %

refractive index

n20/D 1.386 (lit.)

bp

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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signalword

Danger

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

3 - Flammable liquids

wgk

WGK 1

flash_point_f

129.2 °F - closed cup

flash_point_c

54 °C - closed cup

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