TIANJIN ZHONGXIN CHEMTECH CO.,LTD.
- Country:
China (Mainland) - Year Established: 1995
- Business License:
- Business type: Manufacturers
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Polydimethyl Hydrosiloxan CAS NO.9004-73-3
- Min.Order Quantity:
- 10 Kilogram
- Purity:
- 98%min
- Port:
- any port in china
- Payment Terms:
- L/C,D/A,D/P,T/T
Keywords
- Silane additives
- Polon MF 49
- 63148-57-2
Quick Details
- ProName: Polydimethyl Hydrosiloxan
- CasNo: 9004-73-3
- Molecular Formula: (CH3)3SiO[(CH3)HSiO] nSi(CH3)
- Appearance: Colorless clear liquid
- Application: intermediates
- DeliveryTime: to the buyer
- PackAge: 200kgs Drum
- Port: any port in china
- ProductionCapacity: 300 Metric Ton/Year
- Purity: 98%min
- Storage: room or cold temperature
- Transportation: by air or by sea
- LimitNum: 10 Kilogram
- Density(g/ml): 1.006 g/mL at 25 °C(lit.)
- Refractive Index: n20/D 1.398
Superiority
1.payment：
we recommend l/c,t/t,d/a and d/p.
2.delivery：
we have established a long-term cooperative relationship with many famous shipping companies,such as anl,apl,kmtc,maersk.
3.package：
iron drums.
Details
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
these include the tetramer ((mesiho)4), copolymers of dimethysiloxane and methylhydrosiloxane, and trimethylsilyl terminated materials.
this material is prepared by the hydrolysis of methyldichlorosilane:
- n mesihcl2 + n h2o → (mesiho)n + 2n hcl
the related polymer polydimethylsiloxane (pdms) is made similarly, but lacking si-h bonds, it exhibits no reducing properties.
pmhs is used for in situ conversion of tributyltin oxide to tributyltin hydride:2"(mesih)" + (bu3sn)2o → "(me2si2o" + 2 bu3snh .
polymethylhydrosiloxane (pmhs) - a byproduct of the silicone industry - is a cheap, easy to handle, and environmentally friendly reducing agent. pmhs is more air and moisture stable than other silanes and can be stored for long periods of time without loss of activity.