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Inorganic Salts

Magnesium Stearate Precipitated

RA001745 CAS 557-04-0 Extra Pure

Identity

Product code
RA001745
CAS number
557-04-0
Grade
Extra Pure
Assay (specification)
3.8 - 5 %
Molecular formula
C36H70MgO4
Molecular weight
591.27

Classification

Technical Data

Properties

PropertyValueUnit
Physical state at 20 °C Solid —
Colour White powder —
Odour Odorless —
Melting point/ Freezing point [°C] 200 °C °C
Density [g/cm3] 1.028 g/cm3 g/cm3
Solubility in water [% weight] Slightly soluble in water —

These are recorded catalogue property values. Product specification limits, where available, are listed under Specifications.

Specifications

ParameterSpecificationUnit
Appearance Fine white or almost fine white powder —
Assay 3.8 - 5 % %
Loss on drying (105 °C) Max 6 % %
Heavy metal Max 0.002 % %
Zinc stearate Max 0.5 % %
Chloride (Cl) Max 0.02 % %
Sulphate (SO4) Max 0.3 % %
Acid number of precipitated fatty acid 195 - 210 —

Packaging

Pack size SKU
25 kg RA001745-PK-25KG
500 g RA001745-PK-500G