STANNOUS CHLORIDE
Prepared at the 22nd JECFA (1978), published in FNP 7 (1978) and in FNP 52 (1992). Heavy metals and arsenic specifications revised at the 61st JECFA (2003). A PTWI of 0-14 mg/kg bw for tin was established at the 33rd JECFA (1988).
SYNONYMS Tin dichloride; INS No. 512
DEFINITION
Chemical names Tin (II) chloride, stannous chloride dihydrate
C.A.S. number 7772-99-8
Chemical formula SnCl2 · 2H2O
Formula weight 225.63
Assay Not less than 98.0% and not more than 102.0%
DESCRIPTION Colourless or white crystals, odourless or having slight odour of hydrochloric acid
FUNCTIONAL USES Reducer or antioxidant in some bottled or lacquered canned vegetables