Sodium Hydrogen Carbonate / E500(ii) Synonym: Sodium Bicarbonate Molecular formula: NaHCO3 Molecular weight: 84.01 CAS number: 144-55-8 EINECS number: 205-633-8 Appearance: White Powder Packing: Sodium Erythorbate is available in 25 kg cartons. Storage: It must be stored in the warehouse of ventilation, dry shady and cool, and cannot be mixed with poisonous.