Coffein 98.5%, meets analytical specification of BP, USP
Leverandør: Thermo Fisher Scientific
Ratings:
Ingen bedømmelse
Samlet vurdering
Gennemsntilig vurdering
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Advarsel
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108160100
108165000
108160025
ACRO108160100EA
327
DKK
ACRO108160100
ACRO108165000
ACRO108160025
Coffein 98.5%, meets analytical specification of BP, USP
Coffein
Formel:
C₈H₁₀N₄O₂ Smeltepunkt: 234…239 °C Massefylde: 1,23 g/cm³ Opbevaringstemperatur: Stue temperatur |
MDL Number:
MFCD00005758 CAS-nummer: 58-08-2 EINECS: 200-362-1 UN nummer: 1544 ADR: 6.1,III Merck Index: 13,01636 |
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Specifikationer Testresultater
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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