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.
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A propos de cet article
Nom du produit
Fluorure de phénylméthanesulfonyle, ≥98.5% (GC)
biological source
synthetic
Quality Segment
assay
≥98.5% (GC)
form
powder
input
general use sample(s)
mp
91-94 °C
solubility
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
InChI key
YBYRMVIVWMBXKQ-UHFFFAOYSA-N
General description
Application
Voici quelques-uns des caractéristiques et avantages observés :
- Inhibition des protéases à sérine telles que la trypsine et la chymotrypsine
- Inhibition des protéases à cystéine (réversible en présence de thiols réduits) et de l'acétylcholinestérase de mammifère
- Moins efficace et moins toxique que le DFP
- Concentration efficace : 0,1 à 1 mM
- Demi-vie : 1 h à pH 7,5
Biochem/physiol Actions
1 of 1
Cet article | |||
|---|---|---|---|
| description ≥98.5% (GC) | description ≥99.0% (T) | description ~0.1 M in ethanol (T) | description 98% |
| assay ≥98.5% (GC) | assay ≥99.0% (T) | assay - | assay 98% |
| biological source synthetic | biological source synthetic | biological source synthetic, microbial | biological source - |
| Quality Level 300 | Quality Level 200 | Quality Level 200 | Quality Level 100 |
| form powder | form powder or crystals | form liquid | form powder |
| solubility H2O: unstable, dry solvents (ethanol, methanol, and 2-propanol): 200 mM (Stock solution are stable for months at 4°C.) | solubility anhydrous isopropanol: soluble 35 mg/mL, clear to faintly hazy, colorless to faintly yellow (Heating required) | solubility - | solubility - |
| mp 91-94 °C | mp 92-95 °C | mp - | mp 856 °C (lit.) |
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signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 3 Oral - Skin Corr. 1B
Classe de stockage
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
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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?
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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 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 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 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 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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