|Dihydrate Calcium Chloride
10035-04-8 CACl2 Calcium Chloride,
Odorless CACl2 Calcium Chloride
Calcium Chloride Dihydrate Flakes CACl2 For Melting Snow CAS 10035-04-8
Chemical name: Calcium chloride dihydrate
Molecular formula: CaCL2
Appearance: white flakes.
Properties: Odorless, slightly bitter taste. The relative density is 2.15 (25℃). Melting point 782℃. Boiling point is above 1600℃. It is extremely hygroscopic and easily deliquescent when exposed to the air. It is easily soluble in water and emits a lot of heat at the same time. Its aqueous solution is slightly acidic. Soluble in alcohol, acetone and acetic acid. It reacts with ammonia or ethanol to generate CaCl2·8NH3 and CaCl2·4C2H5OH complexes respectively. The hexahydrate precipitated by crystallization from the aqueous solution at normal temperature is usually dissolved in its own crystal water when heated gradually to 30°C, continues to heat and gradually loses water, and becomes dihydrate at 200°C, and then heated to 260°C It becomes white porous anhydrous calcium chloride.
Calcium chloride dihydrate used as a multi-purpose desiccant, such as nitrogen, oxygen, hydrogen, hydrogen chloride, sulfur dioxide and other gases drying. Used as a dehydrating agent in the production of alcohols, esters, ethers and acrylic resins. Calcium chloride solution is an important refrigerant used in refrigerating machine and ice making, which can accelerate the hardening of concrete and increase the cold resistance of building mortar, and is an excellent building antifreeze. It is used as antifogging agent for ports, dust collecting agent for roads and fire prevention agent for fabrics. It is used as protective agent and refining agent in aluminum and magnesium metallurgy. It is a precipitant for producing lake pigment. Used for deinking waste paper. It is the raw material for calcium salt production.
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