Magnesium stearate
Reagent grade, Mg 4.0-5.0%
Reagent
Code: #205047
Alias
Magnesium stearate; Magnesium octadec-oxide, magnesium dibasic stearate
CAS Number
557-04-0
Properties
The appearance of magnesium stearate is a small, light white powder, which has a smooth feel, is insoluble in water, ethanol and ether, soluble in hot water and ether, and decomposes into stearic acid and corresponding magnesium salts when exposed to acid.
science Other reagents with same CAS 557-04-0
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Molecular Information
Weight
591.24 g/mol
Formula
C₃₆H₇₀O₄Mg
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Registry Numbers
EC Number
209-150-3
MDL Number
MFCD00036391
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Physical Properties
Melting Point
200 °C(lit.)
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Storage & Handling
Density
1.028g/cm3
Storage
Room temperature
description Product Description
Widely used as a flow agent in pharmaceutical manufacturing, it prevents ingredients from sticking to machinery during tablet and capsule production. It ensures consistent dosing by promoting uniform powder flow. Commonly found in dietary supplements and medicines, it also acts as a lubricant to ease the ejection of tablets from presses. In cosmetics, it improves texture and helps blend ingredients smoothly in powders and pressed products. Its water-repellent properties enhance product shelf life by reducing moisture absorption.
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