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Hypromellose ( Hydroxypropyl Methylcellulose / HPMC )
    发布时间:2017-12-13    阅读次数:1748

Comply with USP,BP,EP and CP

Item

USP/BP/EP

CP


Type 2910

Type 2208

Type 1828

Type 2906

Methoxy (%)

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


Identification

Conforms


Residue on ignition /

Sulphated ash  (%)

≤1.5


Heavy metals (ppm)

≤20


pH

5.0-8.0


Loss on drying (%)

≤5.0


 

 

 

Viscosity(mPa.s)

(2% solu.,20)

3-100000 


Less than 600 mPa.s: 80%-120% of the viscosity stated by viscosimeter of Ubbelohde type;

600mPa.s or higher:75%-140% of the viscosity stated by viscosimeter of Brookfield type LV Model,or equivalent.

Less than 600 mPa.s: 80%-120% of the viscosity stated;

600mPa.s or higher:75%-140% of the viscosity stated;

Less than 100000 mPa.s: by viscosimeter of NDJ-1 type;

100000mPa.s or higher:by NDJ-8S type or equivalent.


Water insoluble matter(%)

——

0.5


Arsenic(%)

——

0.0002


Cas No. 9004-65-3      H.S.39129000

Main Purpose: Tablet film coating, binders,main material of plant capsules.

Package: 25kg/fiber drum

Packing Size: D38cm*H53cm   

G.W. 27.5kg   

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