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Magnesium stearate

  Post Date: Dec 16,2021
  Expiry Date: Dec 16,2022
  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: 557-04-0 Magnesium Stearate

  Hazard Symbols:  Xi:Irritant;
  Risk Codes: R36/37/38:;
  Safety Description: S26:;
S37/39:;

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