Magnesium Stearate
■ Chemical Description
-- Magnesium Stearate
■ CAS No. 557-04-0
■ Molecular and Structural Formula C36H70MgO4
■ Characteristics
--White powder, greasy feeling, a slight smell of grease;
--Dissolved in hot ethanol;
■ Specification
No |
Tests |
Specification |
1 |
Chloride % |
≤.0.15 |
2 |
Magnesium oxide % |
6.7-7.5 |
3 |
Sulfate % |
≤0.6 |
4 |
Moisture % |
≤4 |
5 |
Ferric salt % |
≤0.01 |
6 |
Melting point oC |
≥88.5 |
7 |
Heavy metal(ppm) |
≤5 |
8 |
Free acid % |
≤4 |
9 |
Fineness % (pass 200 mesh) |
≥99 |
■ Application
--Used as a non-toxic thermal stabilizer and lubricant of PVC, and cosmetics flour, lubrication skin ointment and medical tablets' material (lubricant, release, glidant);
--Used in bakelite powder, this product can make lubricating, bright and transparent. Also used for transparent smoothing agent of paint, etc;
■ Packaging and Storage
--Packed in 25, 50 kg fiber or plastic drum, inner lined with PE bags;
--Stored in dry place at room temperature;
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