HPMC HPMC eye drop HPMC used in eye drop
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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CAS NO:9003-39-8
CAS NO:51395-75-6
CAS NO:51395-75-6
CAS NO:51395-75-6
CAS NO:51395-75-6
CAS NO:51395-75-6
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