Product Name: Magnesium stearate - Cosmetics grade
CAS No.:557-04-0
Molecular Formula: Mg[CH3(CH2)16COO]2
Properties and applications: It’s insoluble in water and ethyl alcohol.
In tablet preparation, calcium stearate is used as lubricating agent, and release agent.
Note: The data contained here are based on our current knowledge and experience. It is the responsibility of user to test our products before the final application.
Testing item | Testing standard(USP35-NF30) | |
MS-4 | MS-6 | |
appearance | white fine powder | white fine powder |
identification | meet the specification | meet the specification |
magnesium content, % | 4.0-5.0 | 4.0-5.0 |
PH value | meet the specification | meet the specification |
chloride, % | ≤0.1 | ≤0.1 |
sulfate, % | ≤1.0 | ≤1.0 |
loss on drying, % | ≤6.0 | ≤6.0 |
lead, ppm | ≤10 | ≤10 |
nickel, ppm | ≤5 | ≤5 |
cadmium, ppm | ≤3 | ≤3 |
stearic acid content, % | ≥40.0 | ≥65.0 |
stearic acid&palmitic acid content, % | ≥90.0 | ≥90.0 |