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Caffeine ≥99.0%, AnalaR NORMAPUR® analytical reagent

Supplier: VWR Chemicals

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Synonyms: 7-Methyltheobromine , 1,3,7-Trimethylxanthine , 2,6-Dihydroxy-1,3,7-trimethylpurine , Methyltheobromine , 1,3,7-Trimethyl-2,6-dioxopurine , 3,7-Dihydro-1,3,7-trimethyl-1H-purine-2,6-dione

22234.187EA 5963 INR InStock
22234.187
Caffeine ≥99.0%, AnalaR NORMAPUR® analytical reagent
Caffeine


Formula: C₈H₁₀N₄O₂
MW: 194,19 g/mol
Melting Pt: 235…239 °C
Density: 1,23 g/cm³ (19 °C)
Storage Temperature: Ambient
 MDL Number: MFCD00005758
CAS Number: 58-08-2
EINECS: 200-362-1
UN: 0000
ADR: 6.1,III
Merck Index: 13,01636
https://b2b-in-gqp.vwr.com/stibo/web/std.lang.all/79/46/2297946.jpg
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Specification Test Results
Assay Min. 99.0 %
Appearance White crystalline powder
Acidity Max. 0.005 meq/g
Melting point 235 - 238 °C
Substances coloured by H2SO4 Max. 60 APHA
Heavy metals (as Pb) Max. 10 ppm
Ignition residue (SO4) Max. 0.1 %
Insolubility in water (± 100°C) Max. 25 ppm
Loss on drying (100°C) Max. 0.5 %
Theobromine Max. 0.2 %
Cl (Chloride) Max. 100 ppm
SO4 (Sulphate) Max. 0.02 %

 

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