Koffein 98.5%, erfüllt analytische Spezifikationen von BP, USP
Lieferant: Thermo Scientific
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Achtung
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Synonyme:
Methyltheobromin
, 7-Methyltheobromin
, 1,3,7-Trimethyl-2,6(1H,3H)-purindion
, Coffein
, Thein
, 2,6-Dihydroxy-1,3,7-trimethylpurin
, 3,7-Dihydro-1,3,7-trimethyl-1H-purin-2,6-dion
, 1,3,7-Trimethyl-3,7-dihydro-2H-purin-2,6-dion
, 1,3,7-Trimethylxanthin
, Teein
, Guaranin
, 1,3,7-Trimethyl-1H,3H-purin-2,6-dion
, 1,3,7-Trimethyl-3,7-dihydro-1H-purin-2,6-dion
ACRO108165000EA
109
EUR
ACRO108165000
ACRO108160100
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 |
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 | 98.5 to 101.0 % |
HPLC | ≤0.1 % (any individual impurity) |
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 101.5 % (On anhydrous substance) |
Sulfate (SO4) | ≤500 ppm |
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