Hot products: Octacosanol; Triacontanol; L-glutathione Reduced; Pearl Powder; DHA powder, Policosanol...

Contact us

Contact Person: Andy Wu

Mobile: +86-18357251508

Tel: +86-572-2576818

Fax: +86-572-2576891


Skype: andy.wu17


Your Location: Home >> Others

Magnesium stearate

Items: SF-018

Products name: Magnesium stearate

Specification: Industrial, food grade; USP-29; BP-2000

CAS No.: 557-04-0

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.

Copyright(C)2016, Huzhou Sifeng Biochem Co., Ltd. All Rights Reserved. Supported by  ChinaTexNet TexWeb Toocle 备案号:浙ICP备10204531号