Aluminum Stearate
The chemical formula for aluminum stearate is Al(C18H35O2)3 or C54H105AlO6. Aluminum stearate is a white, odorless, and fine powder that is the aluminum salt of stearic acid. It has a melting point of 135–170°C and a density of 1.01 g/cm3.
Aluminum stearate is used in many industries, including:
- Cosmetics and personal care products: As a thickening agent and emulsifier
- Polymer industry: As a lubricant and stabilizer to improve the processing of plastics, rubbers, and thermosetting resins
- Foods: As a buffer, firming agent, and neutralizing agent
- Greases: As a component of greases
- Flatting agent: As a flatting agent
- High-energy rocket fuels: As a component of high-energy rocket fuels
- Plastic explosives: As a component of plastic explosives
- Pesticide formulations: As a component of pesticide formulations
Aluminum stearate is insoluble in water, alcohol, and ether, but it is soluble in organic solvents like benzene and chloroform.
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