Customization: | Available |
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CAS No.: | 57-11-4 |
Formula: | C18h36o2 |
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STEARIC ACID
Molecular formula: C18H36O2
Executive Standard: GB-9103-1988
Properties: Stearic acid is one kind of saturated fatty acid, with the relative density of 0.9408 (20 ºC), melting point of 69 ~ 70 ºC, 383 ºC boiling point, refractive index of 1.4299 (80 ºC). The appearance is white or light yellow granular. It is mixture of stearic acid and palmitic acid. It contains a few oleic acid, and a little butter smell. Not dissolved in cool water, easily dissolved in benzene, toluen, chlorofom, carbon tetrachlorid, carbon bisulfide, acetic ester, also in ethanol, aceton.
Specification:
ITEMS | INDEX | |||
Grade | SA1842 | SA1838 | SA1820 | SA1860 rubber grade |
Appearance | White fine bead | |||
Iodine value(gI2/100g)≤ | 0.25 | 0.22 | 0.15 | 1.7 |
Sapon value (mgKOH/g) | 209-211 | 211-212.5 | 214-216 | 193-220 |
Acid value (mgKOH/g) | 208-210 | 210-211.5 | 213-215 | 192-218 |
Color(hazen)≤ | 55 | 65 | 50 | 250 |
Titer,ºC | 55.5 | 55.5 | 56 | 55.7 |
Moisture %≤ | 0.08 | 0.08 | 0.08 | 0.05 |
Inorganic %≤ | 0.001 | 0.001 | 0.001 | 0.001 |
C18, % | 43 | 37 | 17.743 | 57.7 |
C16,% | 56 | 61 | 79.1575 | 38.42 |
C14,% | 0.5 | 1.4 | 2.4257 | 0.82 |
C12,% | 0 | 0.1 | 0.2295 | 0.93 |
C20,% | 0.5 | 0.5 | 0.0431 | 1.55 |
Application: Stearic acid used as activating agent, plasticizing agent and lubricating agent
Package and storage: Net 25kgs, PP Woven with PE Inner bag or in carton. It should be stored in a well-ventilated area.
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