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Erythorbic Acid

The Erythorbic Acid is the stereo isomer of Vitamin C, so its chemical character is same to the Vitamin C. The Erythorbic Acid is white to light yellow white crystal or crystal powder, odorless, has sourness, the melting point is 166~172℃ and decompounding, it will get gradually into black when meeting light

Specification

Items	Standards
Description	White to light yellow white crystalline powder
Assay	99.0 ~ 100.5 %
Loss on drying	0.4% Max.
Specific Rotation	- 16.5 ~ - 18.0 °
Residue on Ignition	0.3 % Max.
Heavy metal (as Pb)	10 ppm Max.
Lead	5ppm Max.
pH Value	2.2-2.4
Oxalate	Passes Test
Clarity	Passes Test