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18102

苯甲酸

Name: 苯甲酸
Brand: SIAL

99.5-100.5% (alkalimetric), crystalline, meets analytical specification of Ph. Eur., BP, USP, FCC, E210, 99.5-100.5% (alkalimetric)

别名:

Benzenecarboxylic acid, Carboxybenzene

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关于此项目

线性分子式:

C₆H₅COOH

化学文摘社编号:

65-85-0

分子量:

122.12

NACRES:

NA.21

PubChem Substance ID:

57647710

UNSPSC Code:

12352100

EC Number:

200-618-2

MDL number:

MFCD00002398

Beilstein/REAXYS Number:

636131

eCl@ss:

39023903

Assay:

99.5-100.5% (alkalimetric)

Form:

crystalline

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属性

产品名称

苯甲酸, meets analytical specification of Ph. Eur., BP, USP, FCC, E210, 99.5-100.5% (alkalimetric)

vapor density

4.21 (vs air)

Quality Level

200

vapor pressure

10 mmHg ( 132 °C)

assay

99.5-100.5% (alkalimetric)

form

crystalline

autoignition temp.

1061 °F

quality

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

impurities

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

ign. residue

≤0.05% (as SO₄)

loss

≤0.5% loss on drying, 3 h (via H₂SO₄)

pH

3-5 (20 °C, 0.1%)

bp

249 °C (lit.)

mp

121-125 °C (lit.)

solubility

water: soluble (2.9 g/l at 25 °C)

cation traces

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

suitability

complies for appearance of solution, complies for reaction against H₂SO₄

functional group

carboxylic acid, phenyl

SMILES string

OC(=O)c1ccccc1

InChI

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

InChI key

WPYMKLBDIGXBTP-UHFFFAOYSA-N

说明

General description

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.

Application

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.

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pictograms

GHS08,GHS05

signalword

Danger

hcodes

H315,H318,H372

pcodes

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

Hazard Classifications

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

target_organs

Lungs

存储类别

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

flash_point_f

Not applicable

flash_point_c