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,ppm
≤10
≤10
≤10
≤10
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.
