L(+)-Ascorbic acid 99.0-100.5%, AnalaR NORMAPUR® analytical reagent

Supplier: VWR Chemicals

20150.231EA 111 EUR
20150.231 20150.184 20150.290
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
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Specification Test Results

Assay 99.0 - 100.5 %
Colour of solution (50 g/l; water) BY7
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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