Caffeine ≥99.0%, AnalaR NORMAPUR® analytical reagent

Leverancier: VWR Chemicals
Waarschuwing

22234.187EA 77.9 EUR
22234.187
Caffeine ≥99.0%, AnalaR NORMAPUR® analytical reagent
Caffeine
Formule: C₈H₁₀N₄O₂
MW: 194,19 g/mol
Smeltpunt: 235…239 °C
Dichtheid: 1,23 g/cm³ (19 °C)
Opslagtemperatuur: Kamertemperatuur
MDL-nummer: MFCD00005758
CAS-nummer: 58-08-2
EINECS: 200-362-1
UN: 1544
ADR: 6.1,III
Merck Index: 13,01636
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Specificaties testresultaten

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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