Magnesium stearate

Reagent grade, Mg 4.0-5.0%

Reagent Code: #205047
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Alias Magnesium stearate; Magnesium octadec-oxide, magnesium dibasic stearate
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CAS Number 557-04-0
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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

blur_circular Chemical Specifications

scatter_plot Molecular Information
Weight 591.24 g/mol
Formula C₃₆H₇₀O₄Mg
badge Registry Numbers
EC Number 209-150-3
MDL Number MFCD00036391
thermostat Physical Properties
Melting Point 200 °C(lit.)
inventory_2 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.

Available Sizes & Pricing

Size Availability Unit Price Quantity
250g
10-20 days ฿440.00
1kg
10-20 days ฿1,280.00
5kg
10-20 days ฿4,950.00
20kg
10-20 days ฿17,800.00
Magnesium stearate
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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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