Place of Origin : China
Certification : ISO2200;HACCP;HALAL;KOSHER etc
MOQ : According to products
Packaging Details : Normal is 25KGS/Carton/Drum
1. Description: A white crystalline powder or silky, white crystals, sublimes readily.
2. Solubility: Sparingly soluble in water, freely soluble in boiling water, slightly soluble in ethanol. It
dissolves in concentrated solutions of alkali benzoates or salicylates.
3. Acidity: Not more than 0.2ml of 0.01M NaOH is required
4. Related Substances: Thin-Layer Chromatography
5. Sulphates: Not more than 500 ppm
6. Heavy Metals: Not more than 10 ppm Pb
7. Loss on drying: Not more than 0.5%
8. Sulphated Ash: Not more than 0.1%
9.Assay (on dried basis): Not less than 98.5%
Caffeine is a methylxanthine (like theophylline or theobromine), a natural substance derived from the purine found in various plant families worldwide. Well-known examples of plants in which Caffeine is found include coffea arabica (coffee), thea sinensis (black tea), ilex paraguayensis (mate) and cola vera (cola nuts)
TESTS : SPECIFICATIONS
Solubility: Sparingly soluble in water, freely souble in boining water, slightly soluble in ethanol and in ether. It dissolves in concetrated solution of alkali benzoates or salicylates.
Identification: To Comply.
Related Substances: Any spot in the chromatogram obtained with the test solution, apart form the principal spot, is not more intense than the spot in the chromatogram obtained with the reference solution (0.5 %).
Sulphate: NMT 500 ppm.
Heavy Metals: NMT 10 ppm.
Loss on drying: NMT 0.5 %
Sulphated ash: NMT 0.1 %
Organic Volatile impurities: To Comply.
Assay: 98.5 % to 101 % of C8H10N4O2 on dried basis.
Not more than 101.5%
CaffeineAnhydrous 40/80/100mesh/others,3,7-Trimethylxanthine/CP/EP/USP/BP/JP Images |