magnesium stearate

Date：2021-12-17 Categories：Related Application Product

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:
hazard symbols:	xi:irritant;
risk codes:	r36/37/38:;
safety description:	s26:; s37/39:;

Tags：Magnesium stearate

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