Caffeine ≥99.0%, AnalaR NORMAPUR® analytical reagent
Supplier: VWR Chemicals
22234.187EA
173
EUR
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) |
MDL Number:
MFCD00005758 CAS Number: 58-08-2 UN: 1544 ADR: 6.1,III Merck Index: 13,01636 |
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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