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Stearic Acid(SA)

Industrial chemicals · Organic & inorganic acids

Synonyms
Octadecanoic acid.
Molecular formula
C18H36O2
Molecular weight
284.48
CAS No
57-11-4

Product overview

Stearic acid, also called octadecanoic acid, is a widely existing fatty acid in nature, structure simple formula: CH3 (CH2) 16COOH, produced by oil hydrolysis, appearance with white waxy transparent beads, can be dispersed into powder, micro-strip butter odor.

Stearic acid is mainly used in the production of stearates and also widely used in the preparation of cosmetics, plastic cold-resistant plasticizers, release agents, stabilizers, surfactants, rubber vulcanization accelerators, waterproofing agents, polishing agents, metal soaps, metal mineral flotation agents, softeners, pharmaceuticals and other organic chemicals.

Solubility

Insoluble in water, slightly soluble in cold ethanol, easy to dissolve when heated. Slightly soluble in acetone, benzene, soluble in ether, chloroform, hot ethanol, carbon tetrachloride, carbon disulfide.

Applications

It is an important chemical raw material and additive, with good stability and processability. It is an important chemical raw material and additive, suitable for rubber, plastic, stearate, cosmetics, drugs, auxiliaries, printing and dyeing, etc.

1. It can be used as a heat stabilizer and lubricant in the plastics industry.

2. In the rubber industry, it can be used as vulcanizing active agent, softener, dispersant, etc.

3. In the textile dyeing and finishing industry, it can be used as dispersant, softener, waterproof agent, impregnating.

Technical specification

CodeIodine Value, ≤gI2/100gSaponification Value/ mgKOH/gAcid valuemgKOH/gColor, ≤HazenMelting point℃C18 content%
SA18000.8206-212205-21110054-5738-45
SA18420.5206-211205-2105054-5741-45
SA18454.0199-219198-218a1505440-50
SA18606.0193-220192-21835050-6050-60
SA18652.0201-207200-2066057-6165-70

Packaging

Packaging is confirmed with the quotation.

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Published reference specifications. Confirm the current grade, SDS / TDS / COA, packaging and delivery terms with your quotation.