Caffeine Anhydrous Powder

We are offering caffeine anhydrous and it is a xanthine mainly extracted from the seed of the coffee plant and the leaves of the tea bush, available as white or almost white, crystalline powder or silky, white or almost white, crystals. Caffeine anhydrous is the core additive in caffeinated drink.
Characteristics white, crystalline powder or silky, white or almost white, crystals
melting point 234.0-239.0°c (bpep)
infrared absorption conforms to the caffeine reference spectrum (bpep)
appearance of solution clear,colourless (bpep)
heavy metals ≤0.001% (usp)
sulphate ≤500ppm (bpep)
each impurity a,b,c,d,e,f ≤0.10% (bpep)
unspecified impurities ≤0.10% (bpep)
total impurities ≤0.10% (bpep)
any individual impurity ≤0.10% (usp)
total impurities ≤0.10% (usp)
loss on drying ≤0.50% (bpep)
residue on ignition ≤0.10% (usp)
assay 98.5-101.0%(usp)
Price : USD 4 - 8 -per- Kilogram