The solubility of this product in DMSO has not been tested. A 200 mM stock solution can be prepared using ethanol, methanol, and 2-propanol. It is known to have 100 mM solubility in DMSO. The product is insoluble in aqueous solutions. Stock solutions of PMSF in 100% isopropanol are stable for at least 9 months at 15 to 25 °C. Storing in a desiccator may be useful.
Wichtige Dokumente
P7626
Phenylmethansulfonylfluorid
powder, ≥98.5% (GC)
Synonym(e):
α-Toluol-sulfonylfluorid, Benzylsulfonylfluorid, DFP-Substitute, PMSF
About This Item
Empfohlene Produkte
Produktbezeichnung
Phenylmethansulfonylfluorid, ≥98.5% (GC)
Biologische Quelle
synthetic
Qualitätsniveau
Assay
≥98.5% (GC)
Form
powder
mp (Schmelzpunkt)
91-94 °C
Löslichkeit
dry solvents (ethanol, methanol, and 2-propanol): 200 mM (Stock solution are stable for months at 4°C.)
H2O: unstable
SMILES String
FS(=O)(=O)Cc1ccccc1
InChI
1S/C7H7FO2S/c8-11(9,10)6-7-4-2-1-3-5-7/h1-5H,6H2
InChIKey
YBYRMVIVWMBXKQ-UHFFFAOYSA-N
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Allgemeine Beschreibung
Anwendung
Bekannte allgemeine Merkmale und Vorteile von PMSF sind unter anderem:
- Hemmung von Serinproteasen wie Trypsin und Chymotrypsin
- Hemmung von Cysteinproteasen (umkehrbar mit reduzierten Thiolen) und Acetylcholinesterase von Säugetieren
- Nicht so wirkungsvoll oder toxisch wie DFP
- Effektive Konzentration 0,1-1 mM
- Halbwertszeit = 1 h bei pH 7,5
Biochem./physiol. Wirkung
Ähnliches Produkt
Signalwort
Danger
H-Sätze
Gefahreneinstufungen
Acute Tox. 3 Oral - Skin Corr. 1B
Lagerklassenschlüssel
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
WGK
WGK 3
Flammpunkt (°F)
Not applicable
Flammpunkt (°C)
Not applicable
Persönliche Schutzausrüstung
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
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Protokolle
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Can this PMSF powder be dissolved in DMSO, and if yes, then to what concentration where and how to store the reconstituted vial?
1 answer-
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At what temperature should the stock Product P7626, Phenylmethanesulfonyl fluoride (PMSF), be stored?
1 answer-
A 200 mM PMSF solution in dry solvent has been reported to remain active for at least 9 months at
2-8 °C. 100 mM PMSF solutions in isopropanol may be stored at –20 °C for several months. For more information please view the Product Data Sheet: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/documents/348/427/p7626pis-ms.pdfHelpful?
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What is the Department of Transportation shipping information for this product?
1 answer-
Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
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What is the effective amount of Product P7626, Phenylmethanesulfonyl fluoride (PMSF), to be used?
1 answer-
The effective concentration range is 0.1-1 mM. A final concentration of 5 mM was used for proteinase K inhibition.
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How should stock solutions of Product P7626, Phenylmethanesulfonyl fluoride (PMSF), be stored?
1 answer-
A 200 mM solution in dry solvent is stable for at least 9 months when stored at 2-8°C.
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What does Product P7626, Phenylmethanesulfonyl fluoride (PMSF), inhibit?
1 answer-
PMSF is a serine protease inhibitor, inhibiting the activity of enzymes such as thrombin, trypsin, papain, chymotrypsin and proteinase K. It also inhibits mammalian acetylcholinesterases.
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How should Product P7626, Phenylmethanesulfonyl fluoride (PMSF), solutions be prepared?
1 answer-
Stock solutions of 100-200 mM can be prepared in anhydrous isopropanol or anhydrous absolute ethanol. PMSF is unstable in the presence of water.
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