Roquette Magnesium Stearate HS
High Specific Surface Area
Product Profile

Roquette Magnesium Stearate HS
High Specific Surface Area

Product Name Roquette Magnesium Stearate - HS
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 HS is a lubricant for tablets and capsules with a high 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 11 µm
Particle Size Distribution by Laser Diffraction

dv10: 4.3 µm

dv50: 10.7 µm

dv90: 22.8 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 HS

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: 0.21 g/cm3

Tapped Density: 0.31 g/cm3

True Density: 1.092 g/cm3

Specific surface area: 22 m2/g

Minimum Specific surface area: 10 m2/g

 

Disclaimer

These typical values are provided for information only and we believe them to be reliable. Methods available upon request.

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