PVP40
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PVP40
Sigma-Aldrich
Polyvinylpyrrolidone
average mol wt 40,000
| Synonym: | Polyvidone, Povidone, PVP |
| CAS Number: | 9003-39-8 |
| Linear Formula: | (C6H9NO)n |
| MDL number: | MFCD00149016 |
| PubChem Substance ID: | 24899319 |
Description
| Application | Complexes with phenolics and alkaloids for their removal from plant samples, thus preventing their modification of proteins and any interference they may cause in spectrophotometric determinations of protein content. This is also reported to improve stability of enzymes. |
| Other Notes | Polyvinylpyrrolidone is a component of Denhardt's Solution and is included at a concentration of 1% (w/v) in the standard 50X stock solution. |
Properties
| mol wt | average mol wt 40,000 |
| viscosity number | 29-32 (lit.) |
Safety
| Personal Protective Equipment | Eyeshields, Gloves, Respirators |
| Safety Statements | 22-24/25 |
| WGK Germany | 1 |
| RTECS | TR8370000 |
References
| Reference | Gegenheimer, P., Preparation of extracts from plants. Meth. Enzymol. 182, 174-193, (1990) Abstract |
| Davidsen, N.B., Two-dimensional electrophoresis of acidic proteins isolated from ozone-stressed Norway spruce needles (Picea abies LKarst) separation method and image processing. Electrophoresis 16, 1305-1311, (1995) Abstract | |
| Merck | Merck 13,7783 |
| reference | Aldrich MSDS 1, 1530:C / Corp MSDS 1 (2), 2892:D / FT-IR 2 (3), 4701:D / FT-IR 1 (2), 1202:C / FT-IR 1 (2), 1202:D / FT-IR 2 (3), 4702:B / FT-IR 1 (2), 1202:A / FT-IR 2 (3), 4702:A / IR-Spectra (3), 1592:F / IR-Spectra (2), 1354:G / IR-Spectra (2), 1354:F / IR-Spectra (3), 1592:D / IR-Spectra (3), 1592:E / RegBook 1 (2), 3171:F / Sax 6, 2265 / Sigma FT-IR 1 (1), 702:A / Sigma FT-IR 1 (1), 701:D / Structure Index 1, 504:B:1 |
