calcium stearate calcium stearate
Specification:HG2424-1993
Item |
High grade |
First grade |
Conforming product |
Calcium content(%) |
6.5-7.0 |
6.5-7.1 |
6.5-7.2 |
Acid(%) |
0.5 |
0.5 |
0.5 |
Heating reduction(max) |
2.0 |
3.0 |
3.0 |
Melting point |
149-155 |
140-155 |
125-155 |
Fineness |
99.0 |
98.0 |
95.0 |
Cas No.: 1592-23-0
Constitutional Formula: Ca(C17H35COO)2
Molecular Formula: C36H70O4 Ca
Molecular Weight: M=607.03
Physicochemical Property : white minute powder, easy to absorb moist, soapy feeling, combustive, innocuous, specific gravity 1.08g/cm3 , melting point:145°C--155°C,insoluble in water, soluble in hot organic solvent and acid. It will decompose with strong acid into stearic acid and calcium salt.
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