StarLac®
Co-Processed Lactose Starch
EP/USP compliance
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Product Name |
StarLac® Co-Processed Lactose Starch |
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Quantitative Composition |
Approximately Alpha-Lactose Monohydrate 85%-Native Maize Starch 15% |
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CAS Number |
Alpha-Lactose Monohydrate 5989-81-1; Starch 9005-25-8 |
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Chemical structure |
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Molecular Weight |
Alpha-Lactose Monohydrate: 360.31 g/mol |
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Physical Form or Appearence |
White or almost white odorless powder |
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Application |
StarLac® is a direct compression excipient with disintegrant properties that is also an excellent filler/binder in dry granulation process. It is suitable for swallowable and orally dispersible tablets as well as hard capsules. |
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Water Content (LOD) |
Maximum water content: 3 % |
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Morphology |
microscope picture |
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Average Mean Particle Diameter |
125 µm |
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Particle Size Distribution by Laser Diffraction |
dv10 = 30 µm dv50 = 125 µm dv90 = 240 µm |
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Solubility |
Partially soluble in cold water, practically insoluble in ethanol (96%) |
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Melting Temperature |
201-202°C for dehydrated alpha-lactose monohydrate |
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Water sorption isotherm at 20°C |
DVS graph |
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Taste/Odor |
Slightly sweet |
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Compression Behaviour |
Insert graph |
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Experimental Conditions for Compression Behavior |
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Powder Characteristics |
Powder Flowability: 4 s (according to Ph.Eur. 2.9.16, 10mm outflow opening) |