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Benzoic acid, for analysis, ExpertQ®, ACS

- Synonyms: Benzenecarboxylic acid, Phenylformic acid
- C7H6O2
- M = 122,12 g/mol
- CAS [65-85-0]
- EINECS-No.: 200-618-2
- Solub. in water: (20 ºC): 3,4 g/l
- Melting point: 121,5 - 123,0 ºC
- Boiling point: ~ 249 ºC
- Flash pt. 121 ºC
- Ignition temp.: 532 ºC
- Vapour pressure: (20 ºC) 1,3 hPa
- LD 50 (oral, rat): 1700 mg/kg
- GHS-signal word: Danger
- GHS-H sentences: H315 - H318 - H372
- GHS-P sentences: P260 - P280 - P305+P351+P338 - P310 - P321 - P501a
- Tariff number: 2916 31 00 90
- Applications: analytical chemistry, preservative agent, manufacture of dyes.

SPECIFICATIONS
assay (acidimetric): min. 99,9 %
identity (IR-spectrum): passes test
melting point: 122 - 123 °C
appearance of solution: passes test
insoluble in CH3OH: max. 0,005 %
halogen compounds (as Cl) : max. 0,01 %
chlorine compounds (as Cl): max. 0,005 %
sulfates (SO4): max. 0,002 %
copper (Cu): max. 5 ppm
heavy metals (as Pb): max. 5 ppm
iron (Fe): max. 2 ppm
lead (Pb): max. 2 ppm
zinc (Zn): max. 5 ppm
sulphur compounds (as S): max. 0,002 %
substances reducing KMnO4 : passes test
residue on ignition: max. 0,005 %