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Factory sale Aluminum stearate CAS 637-12-7 with Fast Delivery

Aluminium stearate is also known as aluminium octadecanoate, chemical formula (C17H35COO)3Al, molecular weight 877.35, pure product is white powder. Relative density 1.070, melting point 115°C. Impure product is light yellow powder. Insoluble in water, ethanol, ether, soluble in alkali, turpentine, mineral oil, petroleum, paraffin and benzene and other solvents. Can form crystalline pyridine complex. Decomposed into stearic acid and the corresponding aluminium salt when met with strong acid. Due to its good hygroscopicity and stability, aluminium stearate is often used as a wood preservative, which can effectively prevent wood decay and insect infestation.
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  • 637-12-7

  • bosschem

  • 637-12-7

Aluminum Stearate    

CAS NO: 637-12-7

Alias:Stearic acid aluminium salt, Aluminum stearate, AR, Tristearic acid aluminum

Molecular formula: C54H105AlO6    

Molecular weight:877.39

Structural formula:

硬脂酸铝 结构式


1.Performance and use

Aluminum stearate is a colorless or slightly yellow granular solid. It has good solubility and emulsifying properties, and is often used as an additive to be added to various products. Aluminum stearate can increase the consistency, viscosity, and solidity of products, and can also have various effects such as anti-corrosion, antibacterial, and lubrication.

Aluminum stearate is widely used in various fields such as cosmetics, plastics, paints, coatings, rubber, paper, dyes, etc. In cosmetics, aluminum stearate can be used as an emulsifying thickener and stabilizer, giving cosmetics a better texture and stability. In the fields of plastics, paints, coatings, etc., aluminum stearate can play a role in thickening, lubrication, corrosion prevention, etc., improving the performance of products.

2.Technical indicators

Appearance White powder
Purity 99%
Package 25kg/bag
Moisture 3.0
Fineness (thr. Mesh 200) 99.8
Melting Point 140
Aluminium Content 3.5-5


3. Packaging and storage  

Packaging specification: 25kg/bag.

Storage: It should be stored in a dry and well ventilated place, away from sources of fire and heat. Avoid direct sunlight and high temperature environments to prevent further decomposition of compounds. It is recommended to store in a sealed container to ensure no leakage. You can choose corrosion-resistant containers, such as glass or plastic bottles, to avoid reacting with other substances. Aluminum stearate is a flammable compound and must be stored away from open flames and high heat sources. If a fire occurs, dry powder fire extinguishers should be used for extinguishing the fire, and water should not be used for extinguishing the fire

4. Safety protection

When handling aluminum distearate, appropriate protective equipment should be worn, including chemical gloves, protective goggles, and protective clothing. These devices can protect the skin, eyes, and respiratory tract from chemical damage.

Avoid contact with other substances, and during storage and use, avoid contact with strong oxidants, acids, or alkaline substances to prevent dangerous reactions.

Related keywords:

Aluminum Stearate

Stearic acid aluminium salt

Tristearic acid aluminum

Organic-metal salt

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