Industrial Grade Plastic Additive Magnesium Stearate CAS 557-04-0

Short Description:

Chemical name: Magnesium Stearate
Other name: Stearic acid magnesium salt
CAS No.: 557-04-0
Assay (MgO): 6.8~8.3%
Molecular Formula: [CH3(CH2)16CO2]2Mg
Molecular Weight: 591.24
Chemical Properties: Magnesium stearate is a small, light white powder with a smooth feel, insoluble in water, ethanol and ether, soluble in hot water and hot ethanol, and decomposed into stearic acid and the corresponding magnesium salt in the presence of acid.
Application: Used as heat stabilizer for polyvinyl chloride, lubricant for ABS, amino resin, phenolic resin and urea resin, paint additive, etc.

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Specification

Item	Standard
Appearance	A white, very fine,light powder
Loss on drying ( %)	≤ 5.0
MgO Assay ( %)	6.8~8.3
Melting point ( ℃)	110~160
Free acid ( %)	≤ 1.0
Partical size ( 325 mesh,%)	≥ 99

Application

Magnesium stearate is widely used in food, medicine, paint, plastic, rubber, textile and other industries, mainly as emulsifier, mold release agent, lubricant, stabilizer, accelerator, cosmetic base material, etc. It can be used as a stabilizer and lubricant for polyvinyl chloride and cellulose acetate, ABS resin, etc., and is used in non-toxic products in combination with calcium soap and zinc soap.