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Magnesium stearate CAS 557-04-0

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Magnesium stearate Quick Details:

Magnesium stearate is a white loose powder, odorless, tasteless, fine and non-gritty, with a light characteristic aroma.

  • CAS Number: 557-04-0
  • Molecular formula: C36H70MgO4
  • Molecular weight: 591.24
  • EINECS number: 209-150-3

Magnesium stearate Specification:

TEST ITEMS SPECIFICATION
Appearance A white, very fine, light, powder, greasy to touch
Identification A The tests for Magnesium
Identification B conform
Acidity or alkalinity conform
Loss on Drying ≤6.0 %
Chloride ≤0.1%
Sulphates ≤1.0%
Lead ≤10ppm
Cadmium ≤3ppm
Nickel ≤5ppm
Stearic Acid ≥40.0%
Stearic Acid&Palmitic acid ≥90.0%
Assay(Mg) 4.0%-5.0%
TAMC ≤1000CFU/g
TYMC ≤500CFU/g
Escherichia coli Absent
Salmonella species Absent

Magnesium stearate Application:

  • Magnesium stearate is a fatty acid salt type anionic surfactant. It has good adhesion to the skin and good lubricity. It is used in powder products in cosmetics to improve adhesion and lubricity.
  • Magnesium stearate can be used as a heat stabilizer for polyvinyl chloride, and its stabilization performance is similar to that of calcium stearate. It can be used in food packaging materials with zinc soap or calcium soap.
  • Magnesium stearate can be used as a heat stabilizer for polyvinyl chloride, and its stabilization performance is similar to that of calcium stearate. It can be used in food packaging materials with zinc soap or calcium soap.
  • Magnesium stearate can also be used as a mold release agent for plastic products, a raw material for cosmetic fragrance powder, emollient ointment, a powder mold for medical tablets, and a translucent paint flattening agent.
  • It is a new type of pharmaceutical excipients, which can be used as film-forming coating materials for solid preparations, thickeners, suspensions, etc.

Magnesium stearate Package:

25kg/bag

Magnesium stearate Storage:

Store at RT.

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