Magnesium Stearate CAS#557-04-0

Magnesium Stearate CAS#557-04-0

Basic Information

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.


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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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FAQ

1. What kind of company is Bohai New Materials?
Bohai New Materials (Tianjin) Co., Ltd. is a foreign trade company specializing in the international trade of chemical products, located in the Binhai New Area of ​​Tianjin. Leveraging the strategic location of Tianjin Port, the company provides one-stop procurement and export services to global clients for a wide range of products, including plastic resins, basic chemical raw materials, fine chemicals, chemical fiber raw materials, and inorganic chemicals.


2. Which markets does the company serve?
Our products are primarily exported to Southeast Asia (Vietnam, Thailand, Indonesia, Malaysia), the Middle East (UAE, Saudi Arabia), Africa (Nigeria, Kenya), as well as Europe and the Americas.


3. Does the company have the qualifications to export hazardous chemicals?
Yes. We hold a valid license for the operation of hazardous chemicals and are well-versed in the export declaration, packaging, documentation, and transportation requirements for various types of hazardous goods. We are capable of handling the export of Class 3, Class 5, Class 8, and Class 9 hazardous chemicals.


4. What are the company's main products?
Our core product portfolio includes:
Plastic resins: PP, PE, PVC, ABS, PC, POM, etc.
Basic chemical raw materials: Soda ash, caustic soda, titanium dioxide, methanol, styrene, ethylene glycol, PTA, etc.
Fine chemicals: Pharmaceutical intermediates, pesticide intermediates, chemical additives, solvents, surfactants.
Chemical fiber raw materials: Polyester filament, polyester staple fiber, polyester chips (PET).
Inorganic chemicals: Calcium carbonate, talc powder, sodium sulfate, calcium chloride, magnesium chloride, etc.
Others: Paraffin wax, white oil, petroleum jelly (Vaseline), rubber, water treatment chemicals, etc.
If you have specific product requirements, please feel free to contact us; we will quickly source high-quality products to meet your needs.


5. How can I obtain a product quote? What information is required?
You can contact us via our official website, by phone, or by email. To ensure a quick and accurate quote, please provide the following details: product name and specifications, target purchase quantity, destination port, and desired delivery time. Please also inform us of any special packaging or testing requirements.

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