Aluminum Stearate powder Raw Materials CAS 637-12-7

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Uses and synthesis of Aluminum Stearate powder

Aluminum Stearate powder, Chinese alias: aluminum tristearate. It is mainly used as raw materials for metal rust prevention, waterproofing agent for building materials, polishing agent for ink, thickening agent for cosmetics, etc. CAS number :637-12-7. Aluminum Stearate, also known as aluminum stearate, chemical formula (C17H35COO)3Al. Molecular weight 877.35.

Aluminum Stearate is a white powder. The relative density is 1.070, the melting point is 115℃, and the impurity is light yellow powder. Insoluble in water, ethanol, ether, soluble in alkali, turpentine, mineral oil, petroleum, kerosene and benzene and other solvents. It can form crystalline pyridine complexes. Strong acids decompose into stearic acid and corresponding aluminum salts. Because of its good hygroscopic properties and stability, Aluminum Stearate powder is often used as a wood preservative, which can effectively prevent wood decay and insects.

Applications/Functions of Aluminum Stearate powder

1. Aluminum Stearate powder is an important organometallic salt, commonly used as an auxiliary and additive. It has many important applications, it plays an important role in cosmetics, pharmaceuticals, coatings, inks, plastics, rubber and other industries, with stability, emulsification, moisture absorption, anti-corrosion, fire prevention and other functions.
2. Aluminum Stearate is used as heat stabilizer and lubricant for polyvinyl chloride plastics, raw material for metal rust prevention, waterproofing agent for building materials, anti-settling agent for paint industry, polish agent for ink, thickening agent for cosmetics, thickening agent for lubricating oil, etc.
3. Aluminum Stearate powder is used as a smoothing agent and thickening agent in coatings, and has the effect of improving the thixotropy of coating film.

Physicochemical Property of Aluminum Stearate powder

Aluminum Stearate, also known as aluminum stearate, chemical formula (C17H35COO)3Al. Molecular weight 877.35. Pure products are white powder. The relative density is 1.070, the melting point is 115℃, and the impurity is light yellow powder. Insoluble in water, ethanol, ether, soluble in alkali, turpentine, mineral oil, petroleum, kerosene and benzene and other solvents.

Production methodprocess of Aluminum Stearate powder

Aluminum Stearate powder is prepared by mixing dilute sodium stearate solution with dilute aluminum sulfate solution, or by co-heating sodium stearate solution with aluminum acetate.

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