- Stearate series
- · calcium stearate
- · Zinc stearate
- · Magnesium stearate
- · Sodium stearate
- · Potassium stearate
- · Lithium stearate
- · Aluminium stearate
- · Stearic acid
- MCC series
- · MCC CP2010
- · MCC PH101
- · MCC PH102
- · MCC PH105
- · MCC PH103
- · MCC PH112
- · MCC PH113
- · MCC PH200
- · MCC PH301
- · MCC PH302
- Colloid MCC series
- · Colloid MCC
- Acetylacetone salt series
- · Calcium(III) Acetylacetonate
- · Zinc(II) Acetylacetonate
- Oleate series
- · Sodium oleate
- · Potassium oleate
- Laurate series
- · Sodium laurate
- · Zinc laurate
- Myristate series
- · Magnesium myristate
- · Sodium myristate
- Water-based emulsion
- · Water-based zinc stearate em
Detail
Medicinal materials
Molecular formula: Ca［CH3(CH2)16COO］2
CAS NO.:1592-23-0
Chemical structural formula:
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, ℃ |
≥54 |
≥53 |
|
acid value |
/ |
195-210 |
|
stearic acid content, % |
/ |
≥40 |
|
stearic acid&palmitic acid content, % |
/ |
≥90 |
Packaging
woven bag lined with high pressure PE film; 20kg/bag or follow customer's packaging instruction
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