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Caffeine anhydrous, Pharmpur®, Ph Eur, BP, USP

- Synonyms: 7-Methyltheobromine, 1,3,7-Trimethylxanthine, 3,7-Dihydro-1,3,7-trimethyl-1H-purine-2,6-dione
- C8H10N4o2
- M = 194,19 g/mol
- CAS [58-08-2]
- EINECS-No.: 200-362-1
- Solub. in water: (20 ºC): 20 g/l
- Melting point: 235 - 238 ºC
- Flash pt. 93ºC
- Ignition temp.: > 600 ºC
- LD 50 (oral, rat): 261 - 383 mg/kg
- EC-Index-No.: 613-086-00-5
- GHS-signal word: Warning
- GHS-H sentences: H302
- GHS-P sentences: P264 - P270 - P301+P312 - P330 - P501a
- Tariff number: 2939 30 00 00
- Applications: analytical chemistry, for pharmaceutical use, in food industry, in pharma industry.

SPECIFICATIONS

on dried sample: 98,5 - 101,5 %

to dried sample): 98,5 - 101,0 %
Identification IR: passes test
Identification B (USP): passes test
Identification C (EP): passes test
Identification D (EP): passes test
Identification xantines: passes test
melting point: 234 - 239 ºC
appearance of solution: clear and colourless
acidity: passes test

unspecified impurities: max. 0,10 %
total impurities: max. 0,10 %
sulfates (SO4): max. 500 ppm
loss on drying (105 ºC): max. 0,5 %
water : max. 0,5 %
residue on ignition: max. 0,1 %