Poly(dimethylsiloxane), vinyl terminated

Basic Information

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CAS Number

68083-19-2

Molecular Formula

C8H18OSi2

Molecular Weight

186.4 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Hydrocarbons

Basic Physical Properties

Physical State

No data avaiable

Melting Point

>-60°C

Boiling Point

>93 °C

Density

0.965 g/mL at 25 °C

Refractive Index

n20/D 1.4052

Vapor Pressure

8.2±0.2 mmHg at 25°C

SMILES

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C[Si](C)(C=C)O[Si](C)(C)C=C

InChI

InChI=1S/C8H18OSi2/c1-7-10(3,4)9-11(5,6)8-2/h7-8H,1-2H2,3-6H3

InChIKey

BITPLIXHRASDQB-UHFFFAOYSA-N

LogP

2.863600000000001

Topological Polar Surface Area

9.23 Å²

Hydrogen Bond Donor/Acceptor

0 / 1

Complexity

144

Safety Information

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Hazard Statement

Synonyms & References

English

Polysiloxanes,di-Me, vinyl group-terminated
Polydimethylsiloxane, vinyldimethylsiloxy terminated
ethenyl-[ethenyl(dimethyl)silyl]oxy-dimethylsilane
VINYL TERMINATED POLYDIMETHYLSILOXANE VISCOSITY 0.7 CST
VINYL TERMINATED POLYDIMETHYLSILOXANE, 1,000 cSt
Vinylterminated polydimethylsiloxane
PDMS
Vinyl group-terminated di-Me siloxanes
Vinyl group-terminated di-Me siloxanes and silicones
Vinyl-terminated di-Me silicones
Vinyl-terminated di-Me siloxanes
1,3-Divinyltetramethyldisiloxane
1,1,3,3-Tetramethyl-1,3-divinyldisiloxane
Disiloxane, 1,3-diethenyl-1,1,3,3-tetramethyl-
1,1'-Divinyltetramethyldisiloxane
Bisvinyltetramethyldisiloxane
sym-Tetramethyldivinyldisiloxane
Tetramethyl-1,3-divinyldisiloxane
1,3-Divinyl-1,1,3,3-tetramethyl disiloxane
1,3-Diethenyl-1,1,3,3-tetramethyl disiloxane
SJ4D71ZQF4
1,3-Diethenyl-1,1,3,3-tetramethyldisiloxane
BITPLIXHRASDQB-UHFFFAOYSA-N
Disiloxan

MDL Number

MFCD00197935

FAQ

What is Poly(dimethylsiloxane), vinyl terminated (CAS: 68083-19-2)?

Poly(dimethylsiloxane), vinyl terminated (CAS: 68083-19-2) is a type of silicone polymer characterized by a backbone of alternating dimethylsiloxane units and vinyl-terminated ends. It is used in various applications due to its flexibility, thermal stability, and chemical inertness.

What are the main uses of Poly(dimethylsiloxane), vinyl terminated (CAS: 68083-19-2)?

Poly(dimethylsiloxane), vinyl terminated (CAS: 68083-19-2) is widely used in adhesives, sealants, and coatings due to its flexibility and resistance to temperature. It is also utilized in medical devices, as a plasticizer in rubber compounds, and in the manufacture of silicone elastomers.

Is Poly(dimethylsiloxane), vinyl terminated (CAS: 68083-19-2) safe?

Poly(dimethylsiloxane), vinyl terminated (CAS: 68083-19-2) is generally considered safe for most applications when handled properly. However, it is important to follow safety guidelines, including the use of appropriate personal protective equipment (PPE) and proper ventilation, to minimize exposure and potential inhalation or skin contact.

How should Poly(dimethylsiloxane), vinyl terminated (CAS: 68083-19-2) be stored?

Poly(dimethylsiloxane), vinyl terminated (CAS: 68083-19-2) should be stored in a cool, dry place away from direct sunlight and heat sources. It should be kept in tightly sealed containers to prevent contamination and degradation. Optimal storage conditions include temperatures below 25°C and a relative humidity below 50%.