Stearic Acid
Product 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 |
400 |
800 |
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.
Package:Woven bag lined with plastic bag inner, 25kg per bag.
stored :in dry warehouse ventilation should be more than 10mm from the ground to avoid damp products in the above-mentioned conditions, from the date of delivery for one year shelf life.