苯甲酸

C₆H₅COOH

122.12

636131

200-618-2

MFCD00002398

57647710

meets analytical specification of Ph. Eur., BP, USP, FCC, E210

Benzoic acid is an aromatic monocarboxylic acid. It occurs in the form of colorless leaflets or needles. It reacts with hydrogenating reagents to afford hexahydrobenzoic acid. On decomposition (by heating) in the presence of lime or alkali, it affords benzene and carbon dioxide. It can be synthesized by the cobalt or manganese catalyzed atmospheric oxidation of toluene.

Benzoic acid may be employed as a standard in the quantitative and calorimetric studies. It may be employed as an intermediate in the synthesis of the following:

• paints
• pigments
• varnish
• wetting agents
• aroma compounds
• benzoyl chloride
• benzotrichloride

It was used to investigate the mechanism of complex addition reaction of hydroxyl radicals with various aromatic compounds.

200

4.21 (vs air)

10 mmHg ( 132 ℃)

99.5-100.5% (alkalimetric)

crystalline

1061 °F

oxidisable substances, complies
residual solvents, complies
≤0.0005% heavy metals (as Pb)
≤0.03% halogen compounds (as Cl)
≤0.7% water (Karl Fischer)

≤0.05% (as SO₄)

≤0.5% loss on drying, 3 h (via H₂SO₄)

3-5 (20 ℃, 0.1%)

249 ℃ (lit.)

121-125 ℃ (lit.)

water: soluble (2.9 g/l at 25 ℃)

As: ≤3 mg/kg
Cu: ≤10 mg/kg
Hg: ≤1 mg/kg
Pb: ≤2 mg/kg
Zn: ≤20 mg/kg

complies for appearance of solution
complies for reaction against H₂SO₄

OC(=O)c1ccccc1

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

WPYMKLBDIGXBTP-UHFFFAOYSA-N

GHS05,GHS08

Danger

H315 - H318 - H372

P260 - P264 - P280 - P302 + P352 - P305 + P351 + P338 - P314

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

Lungs

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

WGK 1

dust mask type N95 (US), Eyeshields, Faceshields, Gloves