Product Name:d-sodium erythorbate
CAS:228-973-9
Molecular Weight:198.1059
Molecular Formula:C6H7NaO6
Formula: C5H704 · COOH Molecular Weight: 176.03
Physical and chemical properties: melting point 166-172 ℃, the product is a white or slightly yellow powder, soluble in water (soluble range of about 30%) and alcohol. Strong reduction gradual discoloration (blackening), when exposed to light or heating. Stability in the dry state, but the air will quickly decompose in aqueous solution in the case.
Quality standards: the quality of the product meets the fourth edition of the regulations of the U.S. Food Chemistry "(FCC).
D-erythorbate quality appearance of white or slightly yellow crystalline particles or powder
Smell no odor
99.0 to 100.5%
Specific rotation [α] -16.5? ~ -18.0?
Residue on ignition ≤ 0.3%
Heavy metals (Pb) ≤ 0.0010%
Lead ≤ 0.0005%
Arsenic ≤ 0.0003%
The particle size of 20 mesh sieve residue ≤ 2%