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Stearic Acid

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  Post Date: Oct 30,2024
  Expiry Date: Apr 28,2025
  Detailed Description: Cas No. :57-11-4 roduct Introduce:
Chmical name:Stearic Acid
Molecular Formula: CH3(CH2)16COOH
Molecular weight:284.48
CAS NO. 57-11-4
Appearance:
Glossiness, white soft small piece, including crystal grain
Physicochemical Properties:
pure product is white with a shiny soft small pieces, melting point 69.6 degrees, the boiling point of 376.1 degrees. Relative density 0.9408, refractive index 1.4299, slowly volatile in the 90-100 degrees. Slightly soluble in cold water, soluble in alcohol, acetone, soluble in benzene, chloroform, ethyl ether, carbon tetrachloride, carbon disulfide, toluene and so on. No smell no poison .It has the general chemical properties of organic carboxylic acid.
Specification:

Index 200
Triple Pressed 400
Double Pressed 800
Single pressed
Iodine g/100g <= 2.0 4.0 8.0
Soap Value mg/g 206-211 203-214 193-220
Acid Value mg/g 205-210 202-212 192-218
Color (Hazen) <= 200 400 800
Freezing Point 54-57 >=54 >=52
Water content % <= 0.20 0.20 0.20
Inorganic acid %<= 0.001 0.001 0.001
Characteristics and Uses:
1.In rubber industry: Stearic acid is used as vulcanization activator of rubber ploymer and latex, also softener.
2.In plastics industry: Stearic acid is widely used in pipes, board, profile and film as plasticizer, stabilizer, lube lubricant.
3.In textile industry: Yarn lubricant.
4. In other way. Stearic acid is also used to make release agent, anti-foam additive, Drug-free, Environment-friendly materials.

  CAS Registry Number:

57-11-4
  Synonyms: ;Octadecanoic acid;n-Octadecan acid;Octadecan acid;
  Molecular Formula: C18H36O2
  Molecular Weight: 284.48
  Molecular Structure: 57-11-4 Stearic acid
  Hazard Symbols:  F:Flammable;
 Xi:Irritant;
  Risk Codes: R11:;
R36/37/38:;
  Safety Description: S16:;
S26:;
S37/39:;

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