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18102

Acide benzoïque

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

Synonyme(s) :

Benzenecarboxylic acid, Carboxybenzene

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A propos de cet article

Formule linéaire :
C6H5COOH
Numéro CAS:
65-85-0
Poids moléculaire :
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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Nom du produit

Acide benzoïque, 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

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

Health hazardCorrosion
GHS08,GHS05

signalword

Danger

Hazard Classifications

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

target_organs

Lungs

Classe de stockage

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

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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

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Certificats d'analyse (COA)

Lot/Batch Number
SDBB6336
SDBB3406
SDBB2225
STBK8867
STBK9430

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Consulter la Bibliothèque de documents

Hydroxylation by electrochemically generated OH. radicals. Mono-and polyhydroxylation of benzoic acid: products and isomer distribution.
Oturan MA and Pinson J.
The Journal of Physical Chemistry, 99(38), 13948-13954 (1995)
Eagleson M.
Concise Encyclopedia Chemistry, 122-122 (1994)
S Nacht et al.
Journal of the American Academy of Dermatology, 4(1), 31-37 (1981-01-01)
The transepidermal penetration and metabolic disposition of 14C-benzoyl peroxide were assessed in vitro (excised human skin) and in vivo (rhesus monkey). In vitro, the benzoyl peroxide penetrated into the skin, through the stratum corneum or the follicular openings, or both
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