ChemicalBook--->CAS DataBase List--->70900-21-9

70900-21-9

70900-21-9 Structure

70900-21-9 Structure
IdentificationBack Directory
[Name]

HYDRIDE TERMINATED POLYDIMETHYLSILOXANE
[CAS]

70900-21-9
[Synonyms]

SILICONE OIL, HYDRIDE TERMINATED
Hydrogen-terMniated silicone oil
dimethylsiloxane, hydrogen terminated
Polysiloxanes di-Me hydrogen-terminated
HYDRIDE TERMINATED POLYDIMETHYLSILOXANE
POLYDIMETHYLSILOXANES, HYDRIDE TERMINATED
POLY(DIMETHYLSILOXANE), HYDRIDE TERMINATED
HYDRIDE TERMINATED POLYDIMETHYLSILOXANE, 100cs
HYDRIDE TERMINATED POLYDIMETHYLSILOXANE, 2-3cs
HYDRIDE TERMINATED POLYDIMETHYLSILOXANE, 500cs
HYDRIDE TERMINATED POLYDIMETHYLSILOXANE, 7-10cs
SiloxanesandSilicones,di-Me,hydrogen-terminated
hydride terminated polydimethylsiloxane, 100 cst
hydride terminated polydimethylsiloxane, 2-3 cst
hydride terminated polydimethylsiloxane, 500 cst
HYDRIDE TERMINATED POLYDIMETHYLSILOXANE, 1,000cs
HYDRIDE TERMINATED POLYDIMETHYLSILOXANE, 10,000cs
hydride terminated polydimethylsiloxane, 7-10 cst
Di-Me-Siloxanes and Silicones hydrogen-terminated
hydride terminated polydimethylsiloxane, 1,000 cst
hydride terminated polydimethylsiloxane, 10,000 cst
Poly(diMethylsiloxane), hydride terMinated average Mn ~580
monodisperse hydride terminated polydimethylsiloxane, 50 cst
Polydimethylsiloxane, hydride terminated, viscosity 500 cSt.
Polydimethylsiloxane, hydride terminated, viscosity 100 cSt.
Polydimethylsiloxane, hydride terminated, viscosity 2-3 cSt.
Polydimethylsiloxane, hydride terminated, viscosity 1000 cSt.
POLYDIMETHYLSILOXANE, HYDRIDE TERMINATED: VISCOSITY 7-10 CST.
monodisperse hydride terminated polydimethylsiloxane, 500 cst
Poly(dimethylsiloxane), hydride terminated average Mn ~24,000
Poly(diMethylsiloxane), hydride terMinated average Mn ~17,500
Polydimethylsiloxane, hydride terminated, viscosity 10000 cSt.
POLY(DIMETHYLSILOXANE), HYDRIDE TERM, VI SCOSITY CA. 1,000 CENTISTOKES
POLY(DIMETHYLSILOXANE), HYDRIDE TERM-INA TED, VISCOSITY CA. 500 CENTISTOKES
[Molecular Formula]

N/A
[MDL Number]

MFCD00197934
[MOL File]

70900-21-9.mol
[Molecular Weight]

208.478
Chemical PropertiesBack Directory
[Melting point ]

<-60°C
[Boiling point ]

230 °C(lit.)
[density ]

0.971 g/mL at 25 °C
[refractive index ]

n20/D 1.406
[Fp ]

215 °F
[Specific Gravity]

0.90
[EPA Substance Registry System]

Siloxanes and Silicones, di-Me, hydrogen-terminated (70900-21-9)
Hazard InformationBack Directory
[Uses]

HYDRIDE TERMINATED POLYDIMETHYLSILOXANE is the hydride terminated form of polydimethylsiloxane, which belongs to a group of polymeric organosilicon compounds. It can be used as a common surfactant and an antifoaming agent. It can also be applied as the active silicone fluid in automotive viscous limited slip differentials and couplings. Moreover, it is commonly used as a stamp resin in the field of soft lithography. Finally, it can also be supplemented to the over-the-counter drugs as an antifoaming agent and carminative. For example, it is seen in many skin care and beauty products to prevent water and moisture loss in the skin through forming a hydrating barrier.
[Uses]

1. Hydride Terminated Polydimethylsiloxane Can be Used in manufacture of a variety of end group reactive linear modified silicone oil, modification of the reaction, such as plastic resin.
2. The key intermediates of block copolymerization reaction.
3. can be used as chain extension agent for addition liquid silicone rubberm, crosslinking agent for addition liquid silicone rubber.
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

36/37/38
[Safety Statements ]

26-36
[WGK Germany ]

1
[TSCA ]

Yes
Questions and Answers (Q&A)Back Directory
[Description]

HYDRIDE TERMINATED POLYDIMETHYLSILOXANE is the hydride terminated form of polydimethylsiloxane, which belongs to a group of polymeric organosilicon compounds. It can be used as a common surfactant and an antifoaming agent. It can also be applied as the active silicone fluid in automotive viscous limited slip differentials and couplings. Moreover, it is commonly used as a stamp resin in the field of soft lithography. Finally, it can also be supplemented to the over-the-counter drugs as an antifoaming agent and carminative. For example, it is seen in many skin care and beauty products to prevent water and moisture loss in the skin through forming a hydrating barrier.
[References]

https://en.wikipedia.org/wiki/Polydimethylsiloxane
https://www.truthinaging.com/ingredients/polydimethylsiloxane
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