Lead stearate dibasic

Lead stearate dibasic

Product name: Lead stearate dibasic
 Alias: Lead stearate, Stearic acid lead salt

CAS: 12578-12-0
Molecular Formula: C36H70O6Pb3
Molecular weight:1220.54

CAS No.: 56189-09-4
Molecular formula: C36H70O4Pb
Linear formula: [CH3(CH2)16COO]2Pb
Molecular weight: 774.14
Quality specification
Lead content: 26.5-27.5%
Free acid (calculated as stearic acid): ≤1.0%
Moisture: ≤1.0%

White powder, insoluble in water, soluble in hot ethanol, benzene and turpentine. It is heated and dissolved in an organic solvent to form a gel after cooling. It is decomposed into stearic acid and corresponding salt in the presence of strong acid, and is hygroscopic. This product is toxic and susceptible to sulfide contamination. Do not dissolve in water, soluble in hot ethanol. Melting point 103-110 ° C

1. Lead stearate can be used as a heat stabilizer and lubricant for polyvinyl chloride, with good lubricity and photothermal stability. It has good synergistic effect with cadmium soap, barium soap or organotin compound. It can be used in various opaque hard and soft PVC products, such as hard tube, hard board, sheet, film and artificial leather, especially suitable for electric wire. Cable material can give the product excellent electrical properties.

2. Used as a defoaming agent for lubricating and decarburizing agents and drilling fluids in oilfield chemicals. It is also used as a paint anti-precipitant, fabric water repellent, lubricating oil thickener, plastic heat stabilizer, etc., as a stabilizer for opaque soft and rigid polyvinyl chloride products.


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