HOME
  CONTACT US
| ENGLISH
About us | Products | Contact us | Link
Products

POVIDONE USP26
Polyvinylpyrrolidone
STRUCTURAL FORMULA CTFA NOMENCLATURE: PVP K30

Formula: (C6H9NO)n
CAS NO: 9003-39-8
CHARACTERS:
In the form of off-white, free-flowing powder.
Odorless or with a faint characteristic odor.
Soluble in water and many organic solvents.
Inert physiologically.
 
SPECIFICATIONS:
  K17 K25 K30 K90
K value 15-19 23-27 27-32 81-99
Vinylpyrrolidone,% ≤0.2 ≤0.2 ≤0.2 ≤0.2
Water,% ≤5.0 ≤5.0 ≤5.0 ≤5.0
Sulfate ash,% ≤0.1 ≤0.1 ≤0.1 ≤0.1
Nitrogen,% 11.5-12.8 11.5-12.8 11.5-12.8 11.5-12.8
pH of 10% solution 3.0-7.0 3.0-7.0 3.0-7.0 3.0-7.0
Heavy metals(as Pb),ppm ≤10 ≤10 ≤10 ≤10
Acetaldehyde,ppm ≤500 ≤500 ≤500 ≤500
Hydrazine,ppm ≤1 ≤1 ≤1 ≤1
Peroxides(as H2O2),ppm ≤400 ≤400 ≤400 ≤400
 
APPLICATIONS:
√ Excellent pharmaceutical excipients.
√ Granulation binders for tablets.
√ Solubilizers and suspending agents for injections.
√ Dispersants for dye and pigment in tablet and capsule coating.
√ Stabilizers for enzymes and heat sensitive drugs.
√ Coprecipitates for poorly soluble drugs.
√ Lubricators and detoxifiers in ophthalmic solutions.
√ Stabilizers for suspensions of all kinds of active substances.
√ Viscosity adjustors, cohesive agents, stabilizers and protective colloids in oral liquid and other liquid formulations.

 
PACKING:
25kgs fiber drum
 
  Copyright ©2005 litechem All rights reserved.
Add:ROOM 715,NO 8,LANE 135 LONGCAO ROAD SHANGHAI