8.00605

Sigma-Aldrich

Propionic acid

for synthesis

Synonym(s):
Propionic acid, Methyl acetic acid
Empirical Formula (Hill Notation):
C3H6O2
CAS Number:
Molecular Weight:
74.08
MDL number:
EC Index Number:
201-176-3

storage conditions

Store below +30°C.

Quality Level

vapor pressure

5 hPa ( 20 °C)

assay

≥99.0% (GC)

autoignition temp.

485 °C (DIN 51794)

potency

2600 mg/kg LD50, oral (Rat)
500 mg/kg LD50, skin (Rabbit)

expl. lim.

2.1-12 % (v/v)

pH

2.5 (20 °C, 100 g/L in H2O)

bp

140.7-141.4 °C/1013 hPa

mp

-20 °C

transition temp

flash point 50.5 °C

density

0.993 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

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

InChI key

XBDQKXXYIPTUBI-UHFFFAOYSA-N

Related Categories

Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.993 - 0.994
Water (K. F.): ≤ 0.30 %
Identity (IR): passes test

Signal Word

Danger

Hazard Statements

hazcat

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

Target Organs

Respiratory system

storage_class_code

3 - Flammable liquids

WGK Germany

WGK 1

Flash Point(F)

129.2 °F - closed cup

Flash Point(C)

54 °C - closed cup

Certificate of Analysis

Certificate of Origin

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