Roquette Magnesium Stearate
Medium Specific Surface Area
Product Profile

Roquette Magnesium Stearate
Medium Specific Surface Area

Product Name Roquette Magnesium Stearate
Generic Name Magnesium Stearate
Physico-chemical properties
Compliance EP/USP-NF/JP ; GRAS
Synonyms Dibasic magnesium stearate
CAS Number 557-04-0
Chemical Structure
Physical Form or Appearence Very fine, light-white powder
Application Roquette Magnesium Stearate is a lubricant for tablets and capsules with a medium specific surface area. It's used in the range of 0.25% to 5%.
Water content (LOD)

Water Content (LOD) Maximum: 6 %

Source Plant-based
Morphology
Average mean particle diameter 8 µm
Particle Size Distribution by Laser Diffraction

dv10: 1.4 µm

dv50: 7.8 µm

dv90: 27.5 µm

Solubility Insoluble in alcohol, water and ether
Tablet hardness
Ejection force
Experimental Conditions for Compression Behavior

Tablet Press: STYLCAM 200R

Production Speed: 10, 25 and 40 tablets/min (respective linear punch velocity: 38, 96 and 152 mm/s ; respective simulated rotary press speed: 60000, 150000 and 250000 tablets/hour)

Tooling: Diameter 10 mm flat

Formula: 49.8% MICROCEL® 200 SD / 49.8% PEARLITOL® 200 SD / 0.4% Roquette Magnesium Stearate

Mixing Time: 5 minutes

Tablet Mass: 350 mg

Powder Characteristics

Powder Flowability (according to Ph.Eur. 2.9.16, 10mm outflow opening): Not free-flowing

Bulk Density: 0.23 g/cm3

Tapped Density: 0.33 g/cm3

True Density: 1.092 g/cm3

Specific surface area: 8 m2/g

Maximum Specific surface area: 10 m2/g

Minimum Specific surface area: 5 m2/g

 

Disclaimer

® Registered trademark(s) of Roquette Frères. Any information provided herein is intended for healthcare and food industry professionals for internal use only and not to be delivered as such to final consumers. Information is based on our current state of knowledge and made available on an informational basis; products described may have restrictions with respect to their use, communication, and/or usage levels, and such may vary on a country-by-country basis. Manufacturers of dietary supplements should evaluate the intended use of the particular ingredient in their finished dietary supplement to confirm compliance with the applicable laws and regulations of authorities regulating such products, because the suitability and regulatory status of a product may be dependent on its specific intended use. As the use of these products is beyond our control, Roquette makes no express or implied warranties regarding the use of the product and no guarantee of product properties, and in particular no express or implied warranties regarding the use of the product in dietary supplements, including without limitation the implied warranties of merchantability and fitness for a particular purpose, and Roquette disclaims liability for any loss and/or damage related to such use. Roquette, further, does not warrant that the information or its use will not infringe any patent or other proprietary rights of any third party. Roquette providing this information is not a commitment to sell any product encompassing any of such information in the future.

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