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SUNDGE High Purity 99.9% Povidone PVP K30 PVP K90 Organic Agrochemical Intermediates White Powder Appearance CAS Model in Stock
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High Purity 99.9% Polyvinylpyrrolidone Povidone PVP K30 PVP K90
What is Polyvinylpyrrolidone?
Product Name: PVP/Povidone/PolyvidoneINCI/CTFA Name: Polyvinylpyrrolidone
CAS No. : 9003-39-8
EINECS No. : 1312995-182-4
Chemical Formula: (C6H9NO)n
PVP K30 is also called polyvinylpyrrolidone K30 or polyvidone K30. It is a macromolecule polymer made from N-VinyPyrrolidone (NVP) through polymerization.
PVP K30 Powder has a hygroscopic nature with good adhesive properties, and it has stable PH value and has the ability to form transparent films. It is widely used in food, cosmetics, technical industry and so on.
Product Name |
Polyvinylpyrrolidone |
Items
|
US026: K15\K30\K90 |
EP7.0: K15\K30\K90 |
|
USP36: K15\K30\K90 |
|
K value |
12.8-97.2 |
NVP Impurity |
10ppm |
Water |
5% |
PH value (5% in aqueous solution) |
3.0-7.0 |
Sulphated |
0.1% |
2-Pyrrolidone |
3.0% |
Formic Acid |
0.5% |
Adehydes |
500ppm |
Heavy Metals(as Pb) |
10ppm |
Hydrazine |
1ppm |
Peroxides(Expressed as H2O2) |
400ppm |
Function of Polyvinylpyrrolidone
PVP(Polyvinylpyrrolidone) is white or milky white to light yellow free-flowing powder or clear transparent viscous liquid, which is odorless or has slight characteristic odor. PVP is non-toxic, nonirritant and has moisture absorption.
Application of Polyvinylpyrrolidone
It is easy soluble in many organic solvents like water, alcohol, amine and halohydrocarbon; insoluble in acetone and diethyl ether. PVP has excellent solubility, biocompatibility, film-forming property, chemical stability, physiological inert,cohesiveness, membrane protection ability, complexing ability to many organic and inorganic compounds, good stability to acid, salt and heat and therefore has wide applications in many fields.
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FAQ
* Q1:Can I get free sample before bulk order?
* We can accept sample order before bulk order, FREE SAMPLES of some products can be sent on request.
* Q2: How to confirm the products quality before placing orders?
* We have strict quality control for every shipment and have various certificates in the industry.
* Q3:How will you deliver the goods?
* We have strong cooperation with DHL, FEDEX, TNT, EMS, China Air Post.
For bulk products, we can ship it by air to your airport or directly to your door. For container products, we can do sea shipping. You also can choose your own shipping forwarder.
* Q4: How about the packing?
* Usually we provide the packing as 25 kg / bag or carton. Of course, if you have special requirements on them, we will according to you.
* Q5: How to gaurantee the after-sale?
* If any problem happens after sale, either quality or quantity, we will try to solve it instantly. and we even have recall
system if necessary.
system if necessary.
