Caffeine is a central nervous system (CNS) stimulant of the methylxanthine class. It is the world’s most widely consumed psychoactive drug, but unlike many other psychoactive substances it is legal and unregulated in nearly all parts of the world. Caffeine is a bitter, white crystalline purine, a methylxanthine alkaloid, and is closely related chemically to the adenine and guanine contained in deoxyribonucleic acid (DNA) and ribonucleic acid (RNA).
Caffeine Anhydrous 98.5- 101.0% Food Grade, BP,USP, EP6
£87.04 – £392.43
Conforms to BP209, USP32, EP6.1
Minimum Assay: 98.5 – 101.0% EP/USP
Molecular Formula: C8H10N4O2
Molecular Weight: 194.19
Melting Point: 234.0 – 239.0
Acidity: NMT 0.2ml of 0.01M Sodium Hdyroxide is required to change the colour of the indicator to blue (BP/EP).
Carbonisable Substance: Pass
Sulphate (SO4): Pass
Heavy Metals (as Pb): >0.001%
Alkalinity: No precipitate Formed
Sulphated Ash: <0.1%
Unspecified Impurities: <0.10%
Disregard Limit: <0.05%
Any inidividual impurities: <0.1%
Total Impurities: <0.1%
Loss on Drying: <0.5%
Residue on Ignition: <0.1%
Sparingly in water
Readily in boiling water
Slightly Soluble in Ethanol
Dissolves in concentrated solutions of alkali benzoates or salicylates.
HS Code: 2939300000
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1Kg, 2.5Kg, 5Kg