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8.22257

Sigma-Aldrich

Benzoic acid

for synthesis

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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

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Benzoic acid for synthesis

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Benzoic acid

Benzoic acid standard for elemental analysis

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Benzoic acid ≥99.5%, FCC, FG

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Benzoic acid for analysis EMSURE® ACS, Reag. Ph Eur

Supelco

1.00136

Benzoic acid

assay

≥99% (acidimetric)

assay

-

assay

≥99.5%

assay

≥99.9% (acidimetric)

form

solid

form

solid

form

powder or crystals

form

solid

pH

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

pH

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

pH

-

pH

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

bp

249 °C/1013 hPa

bp

249 °C/1013 hPa

bp

132-133 °C/10 mmHg, 249 °C (lit.)

bp

249 °C/1013 hPa

mp

121-123 °C

mp

121-123 °C

mp

121-125 °C (lit.)

mp

121-123 °C

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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