FA10018 | L(+)-Ascorbic Acid (E-300, F.C.C.) F.A

CAS Number

50-81-7

Formula

C6H8O6

Weight

M: 176,13 EC: 200-066-2 NC: 2936 27 00

Specifications
Assay (as C6H14O6) (after drying) 99,0-100,5%
Arsenic (as As), not more than 3 ppm
Lead, not more than 2 ppm
Heavy metals (as Pb), not more than 0,001 %
Residue on ignition, not more than 0,1 %
Specific rotation [a]20/D +20,5 to+21,5°
pH of 2% solution 2,4-2,8
Loss on drying, not more than 0,4 %
Melting range 189-193°C
Mercury (Hg), not more than 1 ppm
Insoluble matter in H2O at 20ºC, not more than 0,003 %

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