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
Chemical formula is: C54H105AlO6
Structural formula is: Al(C18H35O2)3
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 115°C. 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
||Solid white powder
|Moisture (%, max)
|Free fatty acids (% Stearic acid)
||4.0 - 9.0
|Ashes (%, Al2O3)
||9.0 - 11.0
|Melting point (°C)
Aluminum stearate is packed in paper bags. Net weight of each bag is 20 kg; 500 kg / palette.