dry solvents (ethanol, methanol, and 2-propanol): 200 mM (Stock solution are stable for months at 4°C.)
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Acute Tox. 3 Oral - Skin Corr. 1B
6.1A - Combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials
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Stock solutions of 100-200 mM can be prepared in anhydrous isopropanol or anhydrous absolute ethanol. PMSF is unstable in the presence of water.
A 200 mM solution in dry solvent is stable for at least 9 months when stored at 2-8°C.
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.
The effective concentration range is 0.1-1 mM. A final concentration of 5 mM was used for proteinase K inhibition.
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.
The lot specific COA document can be found by entering the lot number above under the "Documents" section.
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