Sodium Erythorbate powder, with E number E316, CAS no.6381-77-7, food antioxidant, Chemical Formula C6H7NaO6 used in meats, poultry, and soft drinks. Sodium Erythorbate is the sodium salt of erythorbic acid powder.

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Sodium Erythorbate Food grade Specification
STANDARD
ITEM GB8273-2008 FCCV
Exterior White or a slightly yellow crystalline pellet or powder White, odorless,crystalline powder or granules
Assay 98.0% 98.0%-100.5%
Specific Rotation +95.5~+98.0 +95.5~+98.0
Clarity Up to standard Up to standard
PH 5.5-8.0 5.5-8.0
Heavy Metal(Pb) 0.002% 0.001%
Lead - 0.0005%
Arsenic 0.0003% 0.0003%
Oxalatc Up to standard Up to standard
Indentification Passed test
Loss on drying 0.25%