About US
Contact us
>>Back
Order
Hydroxypropyl methyl cellulose (HPMC)
CAS: 9004-65-3
Character: White or similar white fibrous or grain powders, no smell; slightly insoluble in ethanol without water, diethyl ether, acetone; when it dissolves and swells in cold water, it will form clear or tiny turbid colloid solution.
Package: Net weight 25KG per barrel.
Specifications: Conforms to standard USP30, CP2010.
|
Items |
USP |
CP |
|
Methoxy % |
28.0-30.0 |
19.0-30.0 |
|
Hydroxy propoxy % |
7.0-12.0 |
4.0-12.0 |
|
Viscosity Pa.s |
0.005-0.075 |
0.005-0.075 |
|
Residue on ignition % |
≤1.5 |
≤1.5 |
|
Heavy metals % |
≤0.001 |
≤0.002 |
|
Arsenic % |
≤0.0002 |
≤0.0002 |
|
Water-insoluble substance % |
≤0.5 |
≤0.5 |
|
PH |
4.0-8.0 |
4.0-8.0 |