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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