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