L-Ascorbic acid A.G. 500 g (18650-30500)

L-Ascorbic acid A.G. 500 g (18650-30500)

 

Chemical formula: C₆H₈O₆

Molar mass: 176.13 g/mol

CAS: 50-81-7

EINECS: 200-066-2

Specification

Appearance white crystalline substance
Assay min. 99,5 %
Sulphated ash max. 0,05 %
Loss on drying (105°C) max. 0,1 %
Chloride (Cl⁻) max. 0,005 %
Sulfate (SO₄²⁻) max. 0,002 %
Fe (Iron) max. 0,001 %
Heavy metals (as Pb) max. 0,001 %
pH (5% water solution, 20 °C) 2,2 - 2,5
[α]D20 (c = 10 in water) +21 +/- 0,5 °