SODIUM HYDROGEN CARBONATE
Prepared at the 19th JECFA (1975), published in NMRS 55B (1976) and in FNP 52 (1992). Metals and arsenic specifications revised at the 59th
JECFA (2002). An ADI ‘not limited’ was established at the 9th JCFA (1965)E.
SYNONYMS Baking soda, bicarbonate of soda, sodium bicarbonate; INS No. 500(ii)
DEFINITION
Chemical names Sodium hydrogen carbonate, sodium acid carbonate
C.A.S. number 144-55-8
Chemical formula NaHCO3
Formula weight 84.01
Assay Not less than 99.0% after drying
DESCRIPTION Colourless, white, crystalline masses or crystalline powder
FUNCTIONAL USES Alkali, leavening agent, buffer
