Stearic acid is one of the main long-chain fatty acids that make up oils and fats. It exists in animal fats, oils and some
vegetable oils in the form of glycerides. Stearic acid is obtained by hydrolysis of these oils. Stearic acid is a kind of fatty
acid widely existing in nature. It has the chemical properties of general carboxylic acid. Almost all oils contain stearic acid
with different content.
item | value |
Classification | Chemical Auxiliary Agent |
CAS No. | 57-11-4 |
Other Names | Octadecanoic acid |
MF | C18H36O2 |
EINECS No. | 266-928-5 |
Purity | 99 |
Place of Origin | China |
Origin | China |
Type | Rubber and cosmetic industry |
Usage | Plastic Auxiliary Agents, Rubber Auxiliary Agents |
Brand Name | Others |
Item | INDEX | |||
Grade | 1842# | 1838# | 1820# | 1865# |
Appearance | Bead | Bead | Bead | Bead |
Iodine value (gl2/100g) ≤ | 0.5 | 0.5 | 0.5 | 0.7 |
Saponification value (mgKOH/g) | 205-210 | 209-210 | 211-221 | 202-208 |
Acid value (mgKOH/g) | 206-211 | 210-213 | 210-220 | 203-209 |
Color (Hazen) ≤ | 100 | 100 | 200 | 60 |
Moisture & ≤ | 0.2 | 0.2 | 0.2 | 0.2 |
1.Widely used as a cold-resistant plasticizer, stabilizer, surfactant, release agent,rubber vulcanization accelerator, etc.
2. Used for the determination of water hardness, as an activator and diffuser of acidification.
3. For the preparation of soap, cosmetics, pharmaceuticals and other organic chemicals.
4. Used as an emulsifier for oil-based drilling fluid. It can also be used as a lubricant and wetting agent in the rubber industry and textile industry.
5. Lubricant; Anti-binder; Gum sugar base agent; Defoamer and other food additives.
6. Used as a vulcanizing activator of natural rubber, synthetic rubber and latex, and as a raw material of plasticizer and stabilizer of plastics.
7. determine the hardness of the water. Calcium, magnesium and lithium were determined by turbidimetry. Solvent for determination of relative molecular weight. Active agent for acidification
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