Acide L(+)-ascorbique ≥99%, en poudre, BioChemica®
A1052.1000EA
165
CHF
A1052.1000
Acide L(+)-ascorbique ≥99%, en poudre, BioChemica®
Acide L(+)-ascorbique
Formule:
C₆H₈O₆ MW: 176,13 g/mol Point d'ébullition: 553 °C (1013 hPa) Melting Pt: 190…192 °C Densité: 1,694 g/cm³ (20 °C) |
MDL Number:
MFCD00064328 Numéro CAS: 50-81-7 Merck Index: 13,00837 |
Résultats des tests de spécification
Assay (titr.) | min. 99 % |
α20°C/D; 10 %, H2O | +20.5° - +21.5° |
pH (5 %; H2O; 20°C) | 2.2 - 2.5 |
Heavy metals (as Pb) | max. 0.0005 % |
Insoluble matter | passes test |
Oxalic acid | max. 0.2 % |
Chloride | max. 0.005 % |
Sulfate | max. 0.002 % |
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