Tags: Chemical Compound, Chemical Substance.
Polymethylhydrosiloxane (PMHS) is a polymer with the general structure -(CH3(H)Si-O)-. It is used in organic chemistry as a mild and stable reducing agent easily transferring hydrides to metal centers. A variety of related materials are available under the following CAS registry numbers 9004-73-3 16066-09-4 63148-57-2 178873-19-3 and 63148-57-2.