CALCIUM CHLORIDE
Prepared at the 19th JECFA (1975), published in NMRS 55B (1976) and in FNP 52 (1992). Metals and arsenic specifications revised at the 63rd JECFA (2004). An ADI 'not limited' was established at the 17th JECFA (1973) SYNONYMS INS No. 509
DEFINITION
Chemical names Calcium chloride
C.A.S. number 10043-52-4
Chemical formula Anhydrous: CaCl2
Dihydrate: CaCl2 · 2H2O
Hexahydrate: CaCl2 · 6H2O
Formula weight Anhydrous: 110.99
Dihydrate: 147.02
Hexahydrate: 219.08
Assay Anhydrous: Not less than 93%
Dihydrate: Not less than 99.0% and not more than the equivalent of 107.0% of CaCl2 · 2H2O
Hexahydrate: Not less than 98.0% and not more than the equivalent of 110% of CaCl2 · 6H2O
DESCRIPTION Anhydrous: White, deliquescent lumps or porous masses
Dihydrate: White, hard, deliquescent fragments or granules
Hexahydrate: Colourless, very deliquescent crystals
FUNCTIONAL USES Firming agent