CAS No.: 6381-77-7 Attribute Details Chemical Name Sodium Erythorbate CAS Number 7378-23-6 Formula C6H7NaO6•H2O (may also be listed as C6H9NaO6 without the water molecule) Molecular Weight 216.12 g/mol (with water); 200.12 g/mol (without water) Synonyms D-Sodium Erythorbate, Erythorb…