Polyvinylpyrrolidone
Molecular Structure:
MDL:
MFCD00149016
Molecular Formula:
(C6H9NO)n
Molecular Weight:
Alias:
PVP-P(交联聚合物),PVPP 聚乙烯聚吡咯烷酮
Polyvinylpolypyrrolidone
Poly(vinylpolypyrrolidone)
PVPP
Product order:
| Name |
Specifications |
Packing |
Price |
Delivery |
| Polyvinylpyrrolidone |
|
50g |
RMB 396 |
现货 |
| Polyvinylpyrrolidone |
|
100g |
RMB 742.5 |
现货 |
| Polyvinylpyrrolidone |
USP级,cross-linked, 粉末 |
100g |
RMB 214.5 |
Consulting service |
| Polyvinylpyrrolidone |
USP级,cross-linked, 粉末 |
500g |
RMB 761.2 |
Consulting service |
| Polyvinylpyrrolidone |
USP级 |
1Kg |
RMB 1422.3 |
Consulting service |
Character:
白色或近白色,具有吸湿性易流动的粉末,无臭或微臭,不溶于水、碱、酸及常用有机溶剂,具有很强的溶胀性能和与多类物质的络合能力。
熔点: 300 °C
Quality Standard:
项目 USP级
(USP28)
外观Appearance 白色至类白色微结晶粉末
红外光谱鉴别Infrared spectrometry 和对照品匹配
PH值(1%水溶液)(1% aq. soln.) 5.0-8.0
残单 <0.1%
水含量Water,% <5 % (K.F.)
硫酸盐灰分Sulfated ash <0.1 %
重金属Heavy metals <10 ppm
氮含量(nitrogen) 11.0-12.8%
过氧化物Peroxides <400 ppm
干燥损失Loss on drying <5 %
砷As < 2 ppm
Storage:
交联聚乙烯基吡咯烷酮(PVP-P)能和酚、生物碱形成复合物,从而从植物样品中把他们去除,这样就阻止了对蛋白的修饰和和干涉,以便更准确地测定蛋白质的含量。也有报道交联聚乙烯基吡咯烷酮(PVP-P)能提高酶的活力。
Related Products
- 4-Chloromethyl-5-methyl-1,3-dioxol-2-one
- Mesotrione
- 2,2,2-Trifluoroacetophenone
- 2'-Fluoropropiophenone
- 1,4-Cyclohexanedione
- 1,3-Cyclohexanedione
- 2-Hydroxy-4-methoxybenzophenone-5-sulfonic Acid Hydrate
- Vanillylacetone
- Hexafluoroacetone trihydrate
- 4-Chromanone
- Dicyclopropyl Ketone
- (S)-4-(4-Aminobenzyl)-2(1H)-oxazolidinone
- 4-Nitrobenzophenone
- 2-Methyl-4-isothiazolin-3-one(MIT)
- 1,4-Dioxaspiro[4.5]decan-8-one
- Azone
- 2,6-Difluorobenzophenone
- 1-(4-Chlorophenyl)-3-methyl-2-pyrazolin-5-one
- 2,2,6-Trimethyl-4H-1,3-dioxin-4-one
- 2-Methyltetrahydrofuran-3-one
- Ethyl 4-oxo-1-piperidinecarboxylate
- 6,7-Dihydro-4(5H)-benzofuranone
- 2,5-Hexanedione
- Epiandrosterone
- Cyclopropyl Methyl Ketone
- 2,4-Thiazolidinedione
- (S)-(+)-4-Phenyl-2-oxazolidinone
- Phenidone B
- 16,17-alpha Epoxypregnenolone
- Benzoylacetone
- 4′-tert-Butyl-4-chlorobutyrophenone
- 5,6-Dimethoxy-1-indanone
- IRONE
- Cyclooctanone
- 2,3-Pentanedione
- 2'-Hydroxy-4',6'-dimethoxyacetophenone
- 2-Benzoxazolinone
- Methyl cyclopentenolone
- 4-Methylthio-4-methyl-2-pentanone
- 2-Fluoro-6-methoxyphenylboronic acid
- 4-Methylumbelliferone
- 4-Chloro-4'-fluorobutyrophenone
- 2-Amino-2-dichlorobenzophenone
- Ethyleneurea
- Cyclopentadecanone
- (S)-(−)-4-Isopropyl-2-oxazolidinone
- (R)-4-Benzyl-2-oxazolidinone
- Tetrahydro-4H-pyran-4-one
- 2(5H)-Furanone
- 4′-Chloroacetophenone
- Nandrolone
- 1-(p-Methoxyphenyl)-2-propanone
- Valerophenone
- 4-Hydroxybenzophenone
- 2-Ethoxycyclohexanone
- 2',6'-Dichloro-3'-fluoroacetophenone
- BIT
- 1,3-Dihydroxyacetone
- 2-Hydroxy-4-methoxybenzophenone
- 2-Bromo-2′-chloroacetophenone
- 3-Methyl-2-cyclohexenone
- 4-Hexen-3-one, predominantly trans
- (E)-4-Phenyl-3-buten-2-one
- trans-4-Methoxy-3-buten-2-one
- 2,2',4,4'-Tetrahydroxybenzophenone
- 9-Fluorenone
- Cyclobutyl methyl ketone
- 4-Androsten-11β-ol-3,17-dione
- Glycerol Formal
- 2-Hexylcyclopentanone
- 3,3'-Difluorobenzophenone
- Tropolone
- 4′-Hydroxy-3′-methylacetophenone
- 4,4-Dimethoxy-2-butanone
- 2-Indanone
- 4'-Chloropropiophenone
- 3-(Diethoxyphosphoryloxy)-1,2,3-benzotriazin-4(3H)-one
- 1-(4-Sulfophenyl)-3-methyl-5-pyrazolone
- Proopiophenone
- Di(2-pyridyl)ketone