176206

Poly(methylhydrosiloxane)

average M_n 1,700-3,200

• Synonym(s): Methylhydrogensiloxane polymer, PMHS
• Linear Formula: (CH₃)₃SiO[(CH₃)HSiO]_nSi(CH₃)₃
• CAS Number: 63148-57-2
• MDL number: MFCD00084478
• UNSPSC Code: 12162002
• PubChem Substance ID: 24850562
• NACRES: NA.23

Properties

• form: liquid
• mol wt: average M_n 1,700-3,200
• greener alternative product characteristics: Catalysis; Learn more about the Principles of Green Chemistry.
• sustainability: Greener Alternative Product
• refractive index: n20/D 1.398
• viscosity: 12-45 cSt
• density: 1.006 g/mL at 25 °C (lit.)
• greener alternative category: , Aligned

Description

General description

We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product is an environmentally benign reducing agent and has been enhanced for catalytic efficiency. Click here for more information.
Harnessing the reactivity of poly(methylhydrosiloxane) for the reduction and cyclization of biomass to high-value products

Application

Reducing agent.

Used in greener amine synthesis by reductive amination as an alternative to borohydrides.

Synthesis of substituted amines and isoindolinones: catalytic reductive amination using abundantly available AlCl3/PMHS

Amine Synthesis through Mild Catalytic Hydrosilylation of Imines using Polymethylhydroxysiloxane and [RuCl2(arene)]2 Catalysts

Safety Information

• Storage Class: 10 - Combustible liquids
• wgk_germany: WGK 3
• flash_point_f: 399.2 °F - closed cup
• flash_point_c: 204 °C - closed cup
• ppe: Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)