Koffein 98.5%, erfüllt analytische Spezifikationen von BP, USP

Lieferant: Thermo Scientific
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Synonyme: Methyltheobromin, 1,3,7-Trimethylxanthin, Guaranin, 1,3,7-Trimethyl-1H,3H-purin-2,6-dion, Coffein, 7-Methyltheobromin, 1,3,7-Trimethyl-2,6(1H,3H)-purindion, Thein, 3,7-Dihydro-1,3,7-trimethyl-1H-purin-2,6-dion, 2,6-Dihydroxy-1,3,7-trimethylpurin, 1,3,7-Trimethyl-3,7-dihydro-2H-purin-2,6-dion, Teein, 1,3,7-Trimethyl-3,7-dihydro-1H-purin-2,6-dion

108160100 108165000 108160025
ACRO108160100EA 35.9 EUR
ACRO108160100 ACRO108165000 ACRO108160025
Koffein 98.5%, erfüllt analytische Spezifikationen von BP, USP
Koffein
Formel: C₈H₁₀N₄O₂
Molecular Weight: 194,19 g/mol
Schmelzpunkt: 234…239 °C
Dichte: 1,23 g/cm³
Lagertemperatur: Raumtemperatur
MDL: MFCD00005758
CAS-Nummer: 58-08-2
EINECS: 200-362-1
UN: 1544
ADR: 6.1,III
Merck Index: 13,01636
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Spezifikation Testergebnisse

Appearance White or almost white Crystalline powder or crystals
Infrared spectrum Conforms
Melting point 234 to 239 °C
Loss on drying ≤0.5 %
Sulfated ash ≤0.1 %
HPLC ≤0.1 % (total impurities)
Appearance of solution (0.5g in 50 ml water) Clear colorless
Acidity ≤0.2 ml of 0.01M NaOH
Titration with HClO4 98.5 to 101.0 % (On anhydrous substance)
Sulfate (SO4) ≤500 ppm
Heavy metals (as Pb) ≤10 ppm
Residual solvents Meets the requirements
Organic volatile imp. Meets the requirements
Other alkaloids no precipitate is formed

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