supply stearic acid

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supply stearic acid
Posting date : Jun 28, 2010
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Stearic Acid CAS NO.: 57-11-4 H. S. Code : 2915 7010 Chemical Formula : C18H36O2 Molecular Weight : 284.48 amu Boiling Point : 361 C Melting Point : 69.6 C Surface Area of Molecule : 0.205 nm2 Characters and Uses : 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 cosmetics and for softening rubber. - Specifications: Grade200 type Iodine value...2.0max Sapon value (mgKOH/g).206-211 Acid value (mgKOH/g)..205-210 Color (Hazen)...200max Titer..54-57 Moisture, %........0.20max Inorganic, %........0.001max Grade 400 type Iodine value..4.0max Sapon value (mgKOH/g) 203-214 Acid value (mgKOH/g) 203-214 Color (Hazen)...400max Titer...54min Moisture, %.....................0.20max Inorganic, %....................0.001max Grade 800 type Iodine value...8.0max Sapon value (mgKOH/g)..193-220 Acid value (mgKOH/g)...193-220 Color (Hazen...800max Titer52min Moisture, %..................0.30max Inorganic, %.................0.001max

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