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Aug 25, 2011
PVP-K Homopolymer Series (PVP-K12.K15.K17.K25.K30.
CTFA: POLYVINYLPYRROLIDONE (PVP)
CAS NO : 9003-39-8
MF : (C6H9NO)n /
Physical Properties:
exists as white or milky white powder, and colorless or slight yellow transparent liquid. It can dissolve in water, alcohol, isopropanol or chloroform, not in acetone or diethyl ether. polymers having molecular weight under 30000 can excreted by the human kidney.

Application:
Cosmetics: PVPK series can be used as firm-forming agent, viscosity-enhancement agenr, .....
Aug 25, 2011
povidone iodine
Chemical Name: Complex of PVP with iodine /
CTFA Nomenclature: PVP-Iodine
CAS No.: 25655-41-8
Molecular formula: (C6H9NO)nxi

Physical Properties:
exists as yellow-brown or red-brown formless powder having slightly special smell. It can dissolve in water and alcohol, not in diethylethe or choroform. It is stable complex with no irritation which can sterilize bacterial, virus, fungus effectively. It is the first-selected iodine-containing microbicide.

Aug 25, 2011
PVP-VA64
Chemical Name: Copolymer of Vinylpyrrolidone and vinylacetate /
CTFA Nomenclature: PVP/VA Copolymer
CAS No.: 25086-89-9
Molecular formula: (C6H9NO)nx(C4H6O2)m(n=1.2m)

Physical Properties:
exists as white or milky white powder, and colorless or slight yellow transparent liquid. The clarity of the aqueous product depend on the proportion of vinylpyrrolidone and vinylacetate. The aqueous solution of VA37 is cloudy, and the others are clear at room temperature. The .....
Aug 25, 2011
NVP(N-Vinylpyrrolidone)
CTFA Nomenclature: N-Vinylpyrrolidone /
Chemical Structure: C6H9NO
CAS No.: 88-12-0

Physical Properties:
exists as colorless to light yellow transparent liquid with faint odor at room temperature .It can be dissolved in water and varieties of organic solvents. It is reactive and susceptible to hydrolyze and polymerize.

Remarks:
Soluble in Water, Methyl alcoho. Ethyl acetate alcohol, Methylene chloride Hydrocarbon.
Kept away form light in scaled .....
Aug 25, 2011
PVPP
Chemical Name: polyvinylpolypyrrolidone /
CTFA Nomenclature: Insoluble PVPP
CAS No.: 25249-54-1
Molecular formula: (C6H9NO)n

Physical Properties:
Exists as white or slight yellow, free flowing hydroscopic powder with odorless or faint characteristic smell. It's insoluble in water, alkali, acid and common organic reagents. Stereoscan photographs show that it is voluminous particulars and has large total surface and lots of porosity which is between 2-10mm.It can .....
Aug 25, 2011
2-Pyrrolidone
/
CTFA Nomenclature: a-pyrrolidone
CAS No.: 616-45-5
Molecular formula: C4H7NO

Physical property:
a-P is a colorless liquid. Its solidifying poine25.6℃, flash point 129.4℃, boiling point 245℃, which is solubilize with water, low chain alcohol, low chain ether, chloroform and benzene.

Application:
a-pyrrolidone is a colorless high boiling point polar solvent and is also an organic synthetic intermediate product. As to this kind of solvents .....
Aug 23, 2011
HÓA CHẤT CƠ BẢN
NAOH 455. NAOH 325, H2SO4 98%, JAVEN 10% , HCL 32% .....
Aug 23, 2011
HÓA CHẤT CƠ BẢN
NAOH 455. NAOH 325, H2SO4 98%, JAVEN 10% , HCL 32% .....
Aug 17, 2011
FESO4 98%(SẮT SULPHATE)
TÊN SẢN PHẨM: FESO4 98% (SẮT SULPHATE)
GIÁ TỐT.VUI LÒNG LIÊN HỆ LẠI ĐỂ CHÚNG TÔI ĐƯỢC PHỤC VỤ .XIN CÁM ƠN. .....
Aug 17, 2011
NAOH 99%(MADE IN CHINA)
CẦN BÁN NAOH 99%.HÀNG ĐẸP GIÁ TỐT.XIN VUI LÒNG LIÊN HỆ 0985.472979 .....
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