TABLE OF CONTENTS CAS 10043-52-4 (anhyd.); 10035-04-8 (dihydrate); 7774-34-7 (hexahydrate); EINECS/ELINCS 233-140-8
INS509; E509
Synonyms: Calcium chloride anhydrous
Classification: Inorganic salt
Empirical: CaCl 2 (anhyd.); CaCl 2 2H 2O (dihydrate)
Properties: Grayish-wh. cryst., granules, lumps, or flakes; odorless; freely sol. in water and alcohol; m.w. 110.99 (anhyd.), 147.01 (dihydrate); dens. 2.16 (anhyd.), 1.83 (dihydrate); m.p. 772 C (anhyd.), 176 C (dihydrate); b.p. > 1600 C; pH 4.5-9.2 (5%)
Toxicology: LD50 (oral rat) 1000 mg/kg, (IP, rat) 264 mg/kg; poison by IV, intramuscular, IP, subcut. routes; mod. toxic by ing. causing stomach and heart disturbances; severe eye irritant; human systemic effects; tumorigen; mutagen; questionable carcinogen; TSCA listed
Precaution: Reacts violently with BrF 3, (B 2O 3 + CaO); reaction with zinc releases explosive hydrogen gas; exothermic reaction with water
Hazardous Decomp. Prods.: Heated to decomp., emits toxic fumes of Cl ?
HMIS: Health 1, Flammability 0, Reactivity 0
Storage: Hygroscopic; deliq.; store @ R.T.; keep well closed
Uses: Deicing and dust control of roads; drilling muds; dustproofing, freezeproofing, and thawing coal, coke, stone, sand, ore; concrete conditioning; drying and desiccating agent; water treatment; visc. control agent in cosmetics; newsprint deinking; sequestrant, firming agent, anticaking agent, antimicrobial, curing agent, flavor enhancer, humectant, nutrient supplement, pH control agent, pickling agent,...
