1. pyrrolidone
physical porperties
pvp exists as powder .It can
dissolve in water and variety of organic solvent.It is
generally
used in cosmetics,surfactants,pharmaceutical
industry and other related industrial fields.
2. pyrrolidone
specification
1).technical
grade
|
product name
|
K value
|
vinylpyrrolidone%
|
moisture %
|
ash%
|
solid%
|
PH(5% in water)
|
|
pvpk*5
|
****8
|
*5%
|
**9
|
2).pharmaceutical
grade(USP/EP)
|
product name
|
k value
|
vinylpyrrolidone%
|
moisture%
|
sulfate ash%
|
ph value(5% in water)
|
nitrogen%
|
aldehyde
|
heavy metals pb%
|
hydrazine metal (ppm)
|
peroxide ppm as H2O2
|
|
pvpk*0
|
****2
|
<0.1
|
<5.0
|
<0.1
|
**7
|
*1.***2.8
|
<0.*5
|
<0.**1
|
<1
|
<**0
|
|
pvpk*0
|
****7
|
<0.1
|
<5.0
|
<0.1
|
**7
|
*1.***2.8
|
<0.*5
|
<0.**1
|
<1
|
<**0
|
3. pyrrolidone
Application
1).cosmetics:
pvpk series can be used
as film-forming agent,viscosoty-enhancement agent,
lubricator and adhesive. They are the key component of
hari-sprays mousse,gels and lotions & solution.They
are also convenience assistant in skin-care product
,hair-dying reagent,shampoo,eye
makeup,lipstick,deodorant,sunscreen and
dentifrice.
2).pharmaceutical:
povidone k*0 is a new
and excellent pharmaceutical excipient,It is mainly
used as binder for tablet,dissolving assistant for
injection,flow assistang for capsule,dispersant for
liquid medicine and pigment,stabilizer for enzyme and
heat sensitive drug,corprecipitant for poorly soluble
drugs.lubricator and antitoxical assistant for eye
drug,PVP has been used as excipients in more than one
hundred drugs.Pharmaceutical grade pvpk*0 has
officially been permited by China National Drug
administration to be sold in China Market.
3) other utility
suspensant disperser
and emulsifier
paint and
coating
plastics and
resin
ashesive
glass fiber
film
ink
TV tube
Detergent
Biocide
Tabulating
assistant
Textile dyeing and
priting
