|APPEARANCE:||WHITE POWDER OR GRANULES||APPARENT VISCOSITY (cp 5 % IN WATER):||75-150|
|LOSSON DRYING:||5.0% Max||HEAVY METALS:||10ppm Max|
10ppm heavy metals hydroxypropyl cellulose,
80% hydroxypropyl cellulose,
80% hpc hydroxypropyl cellulose
High-substituted hydroxypropyl cellulose (H-HPC),150-400cps in 5% water solution
Pharma,food,industrial grade High-substituted hydroxypropyl cellulose (H-HPC)
H-HPC IMPORTANT CARACTERSTICS:
It dissolves at ordinary temperature i water or in any orgabic solvents, the solution is very clear and transparent.
HPC is highly thermoplastice substance, and shows an excellent film forming property.The film obtained i very tough.
HPC shows no medicinal action by itself, has no toxlcity and is physiologically harmless.
HPC is chemially inert, so that it hardly reacts with other reagents. Equilibrium moisture content of H-HPC is low.
1. Use as binders: in the pharmaceutical field, as binder for tablets, granules and fine grains or as the paste of ointments.it is used in and amount of 1% to 5% by weight of the drug.
2. As film-coating agents; HPC has an excellent film-forming property . the film obtained is tough and flexible, and has a noticeably good compatility with plasticizers, the film-forming property coating agents, maybe further improved by using together with other coating agent.
3. HPC is used as gelation agents for water and alcohols.
|Hydroxyproxyl group: wt%||Value|
|Moisture: wt%||Not more than 80|
|PH||Not more than 5|
|Ash content: wt%||5.0-8.5|
|Chlorides(NaCl) : wt%||Not more than 0.2|
|Heavy metals: ppm||Not more than 20|
|Arsenic: ppm||Not more than 2.0|
PACKAGE, STORAGE, TRANSPORTATION:
It is packed in fiber drum and lining with polyethylene film bag. Net weight 25kg per drum.
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