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ALUMINUM STEARATE

Synonyms:  Monoaluminum stearate; Aluminum distearate; Aluminum tristearate; Stearic acid aluminum salt; Octadecanoic acid, aluminum salt.

Catalog ID Number

Polytrans ID No. is: 010-500-014

CAS Registry Number

CAS RNo. is: 637-12-7

Formula

Chemical formula is: C54H105AlO6
Structural formula is: Al(C18H35O2)3

Molecular Weight

MW is: 877.39

To be used for

Aluminum stearate is a white powder soluble in oils and insoluble in water and alcohol; melts at 115C. It is used as a lubricant in the production of polyamides and thermosetting plastics, a thickening agent in production of varnishes and lacquers, a water repellent agent and hydrophobic agent, a paint drier and a defoaming agent.

Physical and Chemical properties

Description Solid white powder
Moisture (%, max) 1.5
Free fatty acids (% Stearic acid) 4.0 - 9.0
Ashes (%, Al2O3) 9.0 - 11.0
Melting point (C) 150÷160

Packing

Aluminum stearate is packed in paper bags. Net weight of each bag is 20 kg; 500 kg / palette.


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