L(+)-Ascorbic acid 99.0-100.5%, AnalaR NORMAPUR® analytical reagent
Supplier: VWR Chemicals
20150.231EA
131
EUR
20150.231
20150.290
20150.184
L(+)-Ascorbic acid 99.0-100.5%, AnalaR NORMAPUR® analytical reagent
L(+)-Ascorbic acid
Formula:
C₆H₈O₆ MW: 176,13 g/mol Boiling Pt: 553 °C (1013 hPa) Melting Pt: 190…192 °C Density: 1,694 g/cm³ (20 °C) |
MDL Number:
MFCD00064328 CAS Number: 50-81-7 Merck Index: 13,00837 |
Specification Test Results
Assay | 99.0 - 100.5 % |
Colour of solution (50 g/l; water) |
|
Melting point | 182 - 192 °C |
Specific optical rotation (10 %; water) | 20.5 - 21.5 ° |
Spec. optical rotation (25°C;10 %;water) | 20.5 - 21.5 ° |
Heavy metals (as Pb) | Max. 10 ppm |
Ignition residue (SO4) | Max. 0.05 % |
Loss on drying (105°C) | Max. 0.1 % |
Cl (Chloride) | Max. 20 ppm |
SO4 (Sulphate) | Max. 20 ppm |
Ca (Calcium) | Max. 50 ppm |
Cu (Copper) | Max. 10 ppm |
Fe (Iron) | Max. 2 ppm |
Pb (Lead) | Max. 10 ppm |
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