Magnesium stearate

• Post Date:

  Apr 17,2025

• Expiry Date:

  Apr 17,2026

• Detailed Description:

  Cas No. :557-04-0 Quantity: 100Metric Tons
  Specs:Industrial, food grade ；USP-29；BP-2000；
  

  1. Product Introduction
  Name：Magnesium stearate
  Molecular formula: C₃₆H₇₀MgO₄
  CAS No.:557-04-0
  EINECS No.:209-150-3
  It is white powder with fatty odor, greasy to touch, soluble in hot water and ethanol.

  2. Specification
  （1）Industrial grade

  Test items	Specification
  Appearance	(tiny, light and white powder)
  Assay of Mg	4.0%~5.0%
  Loss on Drying	≤5.0%
  Free acid	≤1.0%
  Melting point	110~160℃
  Particle size	325 99% (≥99% through 325 mesh)
  Bulk density	0.1~0.35g/ml

  (2)Food grade
  Operative norm: Enterprise Standard, Q/HLX004-2007

  Test items	Specification
  Characters	White powder, no impurities, little odour
  Assay (MgO)	6.8-8.3%
  Chloride	≤0.15%
  Sulfates	≤0.6%
  Heavy metals	≤0.0015%
  Arsenic	≤3mg/kg
  Loss on drying	≤4.0%

  (3)Pharmaceutical grade
  Operative Norm: USP29 / BP2005

  Test Items	Specification
  Appearance	Fine, light, white powder
  Assay (Mg)	4.0-5.0%
  Chloride	≤0.25%
  Sulfates	≤0.5%
  Loss on drying	≤6.0%
  Heavy metals	≤0.001%
  Arsenic	≤3mg/kg
  Stearic acid and palmitic acid	≥90.0%
  Stearic aicd	≥40.0%
  Organic volatile impurities	conform

  It is widely used in medicine, food, cosmetics and plastic etc, used as emulsifier, dispersant, bond, anti-corrode resistance.
  
  3. Package and Storage:
  Packing: 20kgs/bag
  Storage: Tightly sealed in a clean, cool, dry area, keep away from strong, direct light.

• CAS Registry Number:

  557-04-0

• Synonyms:

  ;Octadecanoic acid magnesium salt; dibasicmagnesiumstearate;Dolomol;magnesiumdistearate;Magnesiumstearatemedicinal;petracmg20nf;stearatedemagnesium;MAGNESIUM OCTADECANOATE;magnesium dioctadecanoate;octadecanoate, magnesium salt (1:1);

• Molecular Formula:

  C₃₆H₇₀MgO₄

• Molecular Weight:

  591.2544

• Molecular Structure:

  

• Hazard Symbols:

   Xi:Irritant;
  

• Risk Codes:

  R36/37/38:;
  

• Safety Description:

  S26:;
  S37/39:;
  

• Company:

  Huzhou Sifeng Biochem Co., Ltd.     [ China ]          

• Contact:

  MR. Andy Wu

• Tel:

  +86-18357251508

• Fax:

  +86-572-2576891

• Email:

  sales@sifengbio.com