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Citric acid anhydrous, Pharmpur®, Ph Eur, BP, USP

- Synonyms: 2-Hydroxy-1,2,3-propanetricarboxylic acid, b-Hydroxy tricarboxilic acid
- C6H8O7
- M = 192,13 g/mol
- CAS [77-92-9]
- EINECS-No.: 201-069-1
- Solub. in water: (20 ºC): soluble
- Melting point: ~ 153 ºC (decomposes)
- Flash pt. 93 ºC
- Ignition temp.: 345 ºC
- Vapour pressure: (20 ºC) < 0,1 hPa
- LD 50 (oral, rat): 3000 mg/kg
- GHS-signal word: Warning
- GHS-H sentences: H319 - H335
- GHS-P sentences: P261 - P280 - P305+P351+P338 - P304+P340 - P405 - P501a
- Tariff number: 2918 14 00 00
- Applications: acidifying agent, analytical chemistry, laboratory reagent, in food industry, antioxidant.

SPECIFICATIONS
assay (acidimetric, referred to dried sample): 99,5 - 100,5 %
Identification IR: passes test:
Identification A (EP): passes test
Identification C (EP): passes test
Identification D (EP): passes test
appearance of solution: passes test
clarity of solution: passes test
colour of solution: passes test
oxalic acid (C2H2O4): max. 0,036 %
sulfates (SO4): max. 150 ppm
readily carbonizable substances: passes test
residue on ignition: max. 0,1 %
water (K.F.): max. 1,0 %