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1.00136 Supelco

Benzoic acid

for analysis EMSURE® Reag. Ph Eur

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

Agency/Method   reag. Ph. Eur.
Quality Level   300
vapor pressure   0.001 hPa ( 20 °C)
assay   ≥99.9% (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
solubility   2.9 g/L
density   1.321 g/cm3 at 20 °C
bulk density   500 kg/m3
anion traces   other halogens (as Cl-): ≤0.005%
  sulfate (SO42-): ≤0.002%
cation traces   Fe: ≤0.005%
  heavy metals (as Pb): ≤0.0005%
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 at +5°C to +30°C.

Description

Analysis Note

Assay (acidimetric): ≥ 99.9 %
Identity: passes test
Appearance of solution (5 %; ethanol 96 %): passes test
Appearance of solution (color): passes test
Appearance of solution (clearness): passes test
Sulfate (SO₄): ≤ 0.002 %
Heavy metals (as Pb): ≤ 0.0005 %
Fe (Iron): ≤ 0.005 %
halogenated compounds (as Cl): ≤ 0.005 %
Sulfur compounds (as S): ≤ 0.002 %
In methanol insoluble matter: ≤ 0.005 %
Oxidizable matter: passes test
Substances reducing permanganate: passes test
Readily carbonisable substance: passes test
Sulfated ash: ≤ 0.005 %
Water: ≤ 0.5 %
Corresponds to Reag. Ph Eur

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