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8.22257

Sigma-Aldrich

Benzoic acid

for synthesis

Synonym(s):
Benzoic acid, Phenylformic acid, Benzene carboxylic acid
Empirical Formula (Hill Notation):
C7H6O2
CAS Number:
Molecular Weight:
122.12
EC Index Number:
200-618-2

vapor pressure

0.001 hPa ( 20 °C)

Quality Level

assay

≥99% (acidimetric)

form

solid

autoignition temp.

570 °C

potency

1700 mg/kg LD50, oral (Rat)
>5000 mg/kg LD50, skin (Rabbit)

pH

2.5-3.5 (20 °C in H2O, saturated solution)

bp

249 °C/1013 hPa

mp

121-123 °C

transition temp

flash point 121 °C

density

1.321 g/cm3 at 20 °C

bulk density

500 kg/m3

storage temp.

2-30°C

InChI

1S/C7H6O2/c8-7(9)6-4-2-1-3-5-6/h1-5H,(H,8,9)

InChI key

WPYMKLBDIGXBTP-UHFFFAOYSA-N

Related Categories

Analysis Note

Assay (acidimetric): ≥ 99.0 %
Melting range (lower value): ≥ 122 °C
Melting range (upper value): ≤ 125 °C
Identity (IR): passes test

Pictograms

CorrosionHealth hazard

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - Skin Irrit. 2 - STOT RE 1 Inhalation

Target Organs

Lungs

Storage Class Code

6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 1

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