Name: stearic acid
Chemical name: octadecanoic acid
Also known as: stearic acid; eighteen carbon alkyl acid;
English name: Stearic acid; Octadecanoic acid, Triple Pressed Stearic Acid
Molecular formula: C18H36O2; CH3 (CH2) 16COOH
MW: 284.48
Structure: See Figure
CAS No. :57-11-4
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Derivatives:
Stearic acid (rubber grade) Stearic Acid Rubber grade
Stearic acid Stearyl Amine Amine
Calcium stearate Calcium Stearat
Calcium stearate Calcium stearate
Basic Properties
Properties: pure white piece of slightly shiny waxy crystals.
Melting point :71.5-72 ℃ 69.6 ℃
Boiling point: 232 ℃ (2.0kPa)
Flash point: 220.6 ℃

Ignition point: 444.3 ℃
Relative density: 0.9408
Refractive index: 1.4299
Stability: 360 ℃ decomposition (otherwise known as data 376.1 ℃)
Toxicity: non-toxic
Solution: do not dissolve in water (20 ℃, 100 ml of water only to dissolve 0.00029g). Slightly soluble in cold ethanol. Soluble in acetone, benzene, ethyl ether, chloroform, carbon tetrachloride, sulfur dioxide, chloroform, hot ethanol, toluene, amyl acetate, and so on.
Other: slowly volatile in the next 90-100 ℃. Organic carboxylic acid general chemistry with continuity.
Usage: mainly used as raw materials and auxiliary raw materials of chemical products for daily use.