povidone k25 (pvp k25 )
1,lipstick, deodorant
2,dispersant for liquid medicine
3,stablizer for enzyme
4,competitive price

povidone k25 (pvp k25 )

Properties:
White or creamy white powder,odourless,nontoxic,non-irritant,dissolves readily in water,alcohol,amine and many other organic solvents.PVP K Series is widely used in pharmaceutical fields,thanks to it’s excellent solubility,film-formingcapability, chemical stability,physiologicalinertia and cementability.

Povidone K 25
1.Almost white free-flowing powder
2.Have a slight characteristic odour and tasteless .
3.Current EP USP

PH (5% solution in water):                           3.0-5.0                 

K-value:                                                      22.5-27.0       

Lead:                                                         10ppm max

Aldehydes:                                                 5.00*102 ppm max               

Peroxides:                                                  400ppm max               

Formic acid:                                               0.5% max

Hydrazine:                                                  1ppm max                  

Impurity A (Vinylpyrrolidone):                       10ppm max                 

Impurity B (2-pyrrolidone):                            3.0% max            

Heavy metals:                                             10ppm max                                                           

Water (Karl Fischer):                                   5.0% max.           

Sulphated ash :                                          0.1% max                                                      

Nitrogen:                                                    11.5-12.8%

Microbe Limit:                                           cf.EP 

Pharmaceutical: Povidone K 30 and K 25 is a new and excellent pharmaceutical excipient. It is mainly used as binder for tablet, dissolving assistant for injection, flow assistant for capsule, dispersant for liquid medicine and pigment, stablizer for enzyme and heat sensitive drug, coprecipitant for poorly soluble drugs, lubricator and antitoxical assistant of eye drug. PVP has been used as excipients in more than one hundred drugs.