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Ms.EllaCAS NO.9004-65-3
Pharma Grade HPMC
White to light yellow podwer or grains.HPMC is nearly insoluble in anhydrous ethanol,ethyl ether and acetone.It is swelled in cold water to form a transparent or a slight cloudy solution.HPMC can be dissolved into some organic solvents and aslo in water-organic solvent mixed.
Pharma Grade HPMC
White to light yellow podwer or grains.HPMC is nearly insoluble in anhydrous ethanol,ethyl ether and acetone.It is swelled in cold water to form a transparent or a slight cloudy solution.HPMC can be dissolved into some organic solvents and aslo in water-organic solvent mixed.
The Specification of Pharma Grade HPMC
| Items | specifications | ||||
| HPMC | |||||
| F | E | J | K | ||
| Methoxy content(%) | 27.0-30.0 | 28.0-30.0 | 16.5-20.0 | 19.4-24.0 | |
| Hydroxypropyloxy content(%) | 4.0-7.5 | 7.5-12.0 | 23.0-32.0 | 4.0-12.0 | |
| Loss on drying,% | 5.0 Max | ||||
| Residue on ignition,% | 1.5 Max | ||||
| Heavy metals,ppm | 20 Max | ||||
| Arsenic,ppm | 3 Max | ||||
| PH | 5.0-8.0 | ||||
| Bacterium | 1000cfu/gram Max | ||||
| Mold | 100cfu/gram Max | ||||
| Viscosity(2% solution),mPa.s | 5-200000 | ||||
Viscosity Specification of Pharma Grade HPMC
| Level | Grade | Viscosity(2% solution),mPa.s | |||
| 2910 | E3 | 3 | |||
| E5 | 5 | ||||
| E15 | 15 | ||||
| E30 | 30 | ||||
| E50 | 50 | ||||
| E100 | 100 | ||||
| 2208 | K4M | 4000 | |||
| K10M | 10000 | ||||
| K15M | 15000 | ||||
| K100M | 100000 | ||||
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