WC Code: 03-129

Caffeine Anhydrous

Wintersun code: 03-129


Appearance: White crystalline powder or silky, white crystals
A. Infrared Absorption: Conforms to the USP Caffeine RS
B. The retention time of caffeine peak: Corresponds to the Standard preparation obtained in the Assay
Appearance of solution (BP): Clear, colourless
Sulphates (BP): ≤ 500ppm
Related substances (BP)
-Each impurity A. B, C, D, F: ≤ 0.10%
-Unspecified impurities: ≤ 0.10%
-Total impurities: ≤ 0.10%
Acidity (BP): Not more than 0.2m1 of 0.01M sodium hydroxide
Organic impurities (USP)
– Individual impurities: ≤ 0.10%
– Total impurities: ≤ 0.10%
Lead (FCC): ≤ 1mg/kg
Other Alkaloids (FCC): No precipitate is forme`
Melting Range (FCC): 235-237.5°C
Readily Carbonizable Substances(FCC): Passes Test
Loss on drying (BP): ≤ 0.5%
Residue on ignition (BP): ≤ 0.1.%
[Assay] (USP/FCC): 98.5% – 101.0%
Conclusion: The above product conforms to BP2018, USP41, FCC11 requirement on Caffeine


44.09 LB Carton


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