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8.22257 Sigma-Aldrich

Benzoic acid

for synthesis

Synonym: Benzoic acid, Phenylformic acid, Benzene carboxylic acid

  • CAS Number 65-85-0

  • Empirical Formula (Hill Notation) C7H6O2

  • Molecular Weight 122.12

  •  EC Index Number 200-618-2

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Properties

Quality Level   200
vapor pressure   0.001 hPa ( 20 °C)
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
InChI   1S/C7H6O2/c8-7(9)6-4-2-1-3-5-6/h1-5H,(H,8,9)
InChI key   WPYMKLBDIGXBTP-UHFFFAOYSA-N
storage conditions   Store below +30°C.

Description

Analysis Note

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

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