| CAS No.: | 1592-23-0 |
|---|---|
| Formula: | Ca{CH3(CH2)16coo}2 |
| Color: | White |
|
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Molecular formula: Ca[CH3(CH2)16COO]2
CAS NO.:1592-23-0
Main uses In tablet preparation, calcium stearate is used as lubricating agent, and release agent.
|
Testing item |
Testing standard |
|
|
Specification |
USP35-NF30 |
BP2013 |
|
appearance |
white or almost white fine powder; insoluble in water and ethyl alcohol |
white or almost white fine powder; insoluble in water and ethyl alcohol |
|
identification |
meet the specification |
meet the specification |
|
alkali and alkali metal salt |
/ |
meet the specification |
|
content(in calcium oxide), % |
9.0-10.5 |
/ |
|
content(in calcium), % |
/ |
6.4-7.4 |
|
chloride, % |
/ |
≤0.1 |
|
sulfate, % |
/ |
≤0.3 |
|
loss on drying, % |
≤4.0 |
≤6.0 |
|
heavy metal, ppm |
≤10 |
/ |
|
nickel, ppm |
/ |
≤5 |
|
lead, ppm |
/ |
≤10 |
|
cadmium, ppm |
/ |
≤3 |
|
freezing point, ºC |
≥54 |
≥53 |
|
acid value |
/ |
195-210 |
|
stearic acid content, % |
/ |
≥40 |
|
stearic acid&palmitic acid content, % |
/ |
≥90 |
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