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2-hydroxypropyl methyl cellulose (HPMC E5) appears as white or white-like fiber or granular powder. Odorless. Almost insoluble in anhydrous ethanol; swells in cold water to form a clear or slightly turbid colloid solution.
CAS No.: 9004-65-3
Compliance: USP, BP, EP, CP
| Item | Type 2910 | Type 2208 | Type 1828 | Type 2906 |
|---|---|---|---|---|
| Methoxyl(%) | 27.0/28.0-30.0 | 19.0-24.0 | 16.5-20.0 | 27.0-30.0 |
| Hydroxypropoxy (%) | 7.0-12.0 | 4.0-12.0 | 23.0-32.0 | 4.0-7.5 |
| Residue on ignition / Sulphated ash (%) | ≤1.5 | |||
| pH | 5.0-8.0 | |||
| Loss on drying (%) | ≤5.0 | |||
| Viscosity(mPa.s) (2% solu.,20ºC) | 3-100000 | |||
Viscosity specifications:
- Less than 600 mPa.s: 80%-120% of stated viscosity (Ubbelohde type viscosimeter)
- 600mPa.s or higher: 75%-140% of stated viscosity (Brookfield type LV Model or equivalent)
Package: 25kg/fiber drum
Packing Size: D37cm * H53cm
Gross Weight: 27.5kg
Storage: Store in a cool, dry place below 30°C, protected against humidity and pressing
Shelf Life: 2 years
