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 Stearic Acid

 


Stearic Acid
 

CAS#:57-11-4  H. S. Code:2915 7010

Chemical Formula : C18H36O2
Molecular Weight : 284.48 amu
Boiling Point : 361oC
Melting Point : 69.6oC
Surface Area of Molecule : 0.205 nm2
Characters and Uses : White flaky or lumpish.It is an important chemical raw material and additive,widely used in rubber,plastics,cosmetics,pharmaceuticals,chemical auxilary agent industries etc.
Stearic acid, also called octadecanoic acid, is one of the useful types of saturated fatty acids that comes from many animal and vegetable fats and oils. It is a waxy solid, and its chemical formula is CH3(CH2)16COOH. Its name comes from the Greek  word, stear, which means tallow. Its  IUPAC  name is octadecanoic acid.
Stearic acid is prepared by treating animal fat with water at a high pressure and temperature. It can also be obtained from the hydrogenation  of vegetable oils. Common stearic acid is actually a mix of stearic acid and palmitic acid , although purified stearic acid is available separately.
Stearic acid is useful as an ingredient in making candles , soaps , and cosmestics  and for softening rubber.
Packing:In net 25kg polywoven bags

 

Terms

Specification

Grade

SA1840/ 1801

Rubber Grade

Iodine value,

1.0max

8.0max

Sapon value,

206-211

193-220

Acid value,

205-210

192-218

Color,Hazen

100max

400max

Titer, ℃

54-57

52min

Moisture,%

0.2max

0.3max

Inorganic,%

0.001max

0.001max

  
    

 
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