English En

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

- Synonyms: 2-Hydroxy-1,2,3-propanetricarboxylic acid monohydrate, b-Hydroxytricarballylic acid monohydrate
- C6H8O7·H2O
- M = 210,14 g/mol
- CAS [5949-29-1]
- EINECS-No.: 201-069-1
- Solub. in water: (20 ºC): very soluble in water
- Melting point: 135 - 152 ºC
- Boiling point: 135 - 152 ºC (decomposes)
- 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
- GHS-P sentences: P280 - P264 - P305+P351+P338 - P337+P313
- Tariff number: 2918 14 00 00
- Applications: analytical chemistry, laboratory reagent, in buffer solutions.

SPECIFICATIONS

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
sulfates (SO4): max. 150 ppm
oxalic acid (C2H2O4): max. 360 ppm
readily carbonizable substances: passes test
residue on ignition: max. 0,1 %
water (K.F.): 7,5 - 9,0 %