SODIUM SULFITE
Prepared at the 53rd JECFA (1999) and published in FNP 52 Add 7 (1999), superseding tentative specifications prepared at the 51st JECFA (1998),
published in FNP 52 Add 6 (1998). Group ADI 0-0.7 mg/kg bw as SO2 for sulfites established at the 51st JECFA in 1998.
SYNONYMS Disodium sulfite, INS No. 221
DEFINITION
Chemical names Sodium sulfite
C.A.S. number 7757-83-7
Chemical formula Na2SO3
Formula weight 126.04
Assay Not less than 95.0%
DESCRIPTION White powder with not more than a faint odour of sulfur dioxide
FUNCTIONAL USES Antibrowning agent, antioxidant, preservative
