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Stearic acid

Stearic acid plays an important role in the synthesis and processing of rubber. Stearic acid is a vulcanization active agent widely used in natural rubber, synthetic rubber and latex, and can also be used as a plasticizer and softener.
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Chemical name: Stearic acid

 

Aliases: octadecanoic acid; octadecanoic acid; Si Diling; fatty acid; stearic acid; stearic acid; octadecanoic acid;

Ammonium octadecanoate; Ammonium stearate and stearate

 

Structural formula:

           

 

Molecular formula: C18H36O2

 

CAS No. 57-11-4

 

EINECS No.266-928-5

 

Molecular weight: 284.48

 

Technical index:

project standard

Acid value(mgKOH/g)，≥

195

Saponification value(mgKOH/g)，≥

196

Iodine value(gl2/100g)，≤

8.0

Freezing point，℃≤

50

Moisture，%≤

 0.4
Product shape Bead or flake

 

performance：A high-grade saturated fatty acid, the pure product is white soft pieces with gloss. The relative density is 0.9408 (20℃), the melting point is 69~70℃, the boiling point is 383℃, and the refractive index is 1.4299 (80℃). The industrial product is white or yellowish granular. It is a mixture of stearic acid and palmitic acid, and contains a small amount of oil. Sour, slightly buttery smell. Very slightly soluble in cold water, soluble in benzene, toluene, chloroform, carbon tetrachloride, carbon disulfide, amyl acetate, etc., and also soluble in ethanol and acetone.

 

application：Stearic acid plays an important role in the synthesis and processing of rubber. Stearic acid is a vulcanization active agent widely used in natural rubber, synthetic rubber and latex, and can also be used as a plasticizer and softener. In the process of producing synthetic rubber, stearic acid must be added as an emulsifier. In the production of foam rubber, stearic acid can be used as a foaming agent, and stearic acid can also be used as a release agent for rubber products.

 

Packing: composite paper bag lined with plastic film bag, net weight 25kgs.

 

Storage: Sealed and stored in a cool, dry, well-ventilated place, away from direct sunlight.

 

Safety and toxicity: Please refer to the relevant product safety data (MSDS).

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The company insists on independent innovation, and has obtained a number of scientific research achievements and invention patents in the fields of rubber chemicals and ultrafine materials.

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