Magnesium Stearate CAS#557-04-0

Magnesium Stearate CAS#557-04-0

Provides excellent lubricating performance through its hydrophobic properties, effectively reducing friction during tablet compression and ejection processes.


Widely used as a multifunctional additive, serving as an emulsifier, binder, thickener, anticaking agent, release agent, and antifoaming aid in food and pharmaceutical applications.


Recognized as a non-toxic and food-contact approved material in multiple countries, making it suitable for supplements, confectionery, and pharmaceutical formulations.


Manufactured in compliance with pharmacopeia quality standards, with controlled magnesium content, moisture, heavy metals, iron, sulfate, and chloride levels.



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Product Description

Products Description of Magnesium Stearate CAS# 557-04-0

Magnesium stearate is a multifunctional additive used in food (emulsifier, lubricant, etc.) and pharmaceuticals (tablet/capsule excipient). Its lubricating effect stems from hydrophobicity. Non-toxic and approved for food contact globally, it is listed in major pharmacopoeias with defined quality specifications.


Product Applications of Magnesium Stearate CAS# 557-04-0

Magnesium stearate (E470b) is the most widely used pharmaceutical tablet lubricant/anti-adherent, which may affect drug release time but not bioavailability. It is also used in hard candies and infant formula. Available in animal- and vegetable-derived grades, it is a key component of soap scum formed in hard water.


Product Information

Parameters


Melting point200 °C (lit.)
density1.028g/cm3
storage temp.Inert atmosphere,Room Temperature
solubilityalcohol: insoluble
formFine Powder
colorWhite
Odorwh. soft oily powd., tasteless, odorless
PH7 (H2O) (slurry)
Water SolubilityInsoluble
Merck145690
BRN3919702
Exposure limitsACGIH: TWA 10 mg/m3; TWA 3 mg/m3
Stability:Stable. Incompatible with strong oxidizing agents.
Cosmetics Ingredients FunctionsMOISTURISING
ANTICAKING
BULKING
COLORANT
InChIKeyDRJIJXNWSSRTTE-UHFFFAOYSA-M
LogP8.216 (est)
CAS DataBase Reference557-04-0(CAS DataBase Reference)
EPA Substance Registry SystemMagnesium stearate (557-04-0)
Hazard CodesXi
Risk Statements36/37/38
Safety Statements26-37/39
WGK Germany-
RTECSWI4390000
TSCAYes
HS Code29157030
Hazardous Substances Data557-04-0(Hazardous Substances Data)
ToxicityLD50 orally in Rabbit: > 2000 mg/kg


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