Calcium distearate

  Calcium stearate is also called calcium stearate. White light crystalline powder. Chemical formula (C17H35COO)2Ca. Molecular weight 607.00. Melting point 179 ~ 180℃, subject to high thermal decomposition. Insoluble in water, cold ethanol and ether, soluble in hot benzene, toluene and turpentine, slightly soluble in hot ethanol and ether. Decompose with strong acid into stearic acid and corresponding calcium salt. It absorbs water in the air. Lipophilic intolerant microorganism. High temperature decomposition to produce stearone and hydrocarbon. Non-toxic. The corresponding oleate is often mixed in the industrial Chemicalbook. Used as a stabilizer and lubricant for polyvinyl chloride; As halogen absorbent in polyethylene and polypropylene; Lubricants for polyolefin fibers and molded products; Lubricants and release agents for phenolic, amino and other thermosetting plastics; Thickening agent for grease; Waterproof agent for waterproof fabric; Varnish and pencil lead lubricants, etc. Food grade calcium stearate is used as an anti-caking agent. It is prepared by the reaction of melted stearic acid with sodium hydroxide to produce dilute soap, and then with calcium chloride.