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Salicylic acid, Pharmpur®, Ph Eur, BP, USP

- Synonyms: 2-Hydroxybenzoic acid
- C7H6O3
- M = 138,12 g/mol
- CAS [69-72-7]
- EINECS-No.: 200-712-3
- Solub. in water: (20 ºC): 2 g/l
- Melting point: 158-161 ºC
- Boiling point: 211 ºC
- Flash pt. 157 ºC
- Ignition temp.: 500 ºC
- Vapour pressure: (100 ºC) < 1hPa
- LD 50 (oral, rat): 891 mg/kg
- GHS-signal word: Danger
- GHS-H sentences: H302 - H318 - H361d -
- GHS-P sentences: P280 - P305+P351+P338 - P310 - P301+P312 - P405 - P501a
- Tariff number: 2918 21 00 00
- Applications: synthesis of organic products, manufacture of dyes, analytical chemistry, in pharma industry.

SPECIFICATIONS
assay (acidimetric, referred to dried sample): 99,0 - 100,5 %
assay (HPLC, referred to dried sample): 98,0 - 102,0 %
Identification IR: passes test
Identification C (EP): passes test
Identification B (USP): passes test
melting point: 158 - 161 ºC
appearance of solution : clear and colourless
chlorides (Cl): max. 100 ppm:
sulfates (SO4): max. 200 ppm

4-Hydroxybenzoic acid: max. 0,1 %
4-Hydroxyisophtalic: max. 0,05 %
phenol: max. 0,02 %:
unspecified impurities: max. 0,05 %
total impurities: max. 0,2 %
residue on ignition: max. 0,05 %
loss on drying (over silica gel, 3h): max. 0,5 %