Poly(dimethylsiloxane-co-methylphenylsiloxane) | CAS No. 63148-52-7

Q: What are the physical and chemical properties of Poly(dimethylsiloxane-co-methylphenylsiloxane) (CAS: 63148-52-7)?

Poly(dimethylsiloxane-co-methylphenylsiloxane) (CAS: 63148-52-7) is a silicone polymer with a mixture of dimethylsiloxane and methylphenylsiloxane units. It exhibits good thermal stability, low surface tension, and excellent electrical insulation properties. The polymer has a high molecular weight, typically ranging from 10,000 to 1,000,000 g/mol, depending on the specific composition. It is slightly soluble in common organic solvents like toluene and acetone and has a low reactivity under normal conditions.

Q: How is Poly(dimethylsiloxane-co-methylphenylsiloxane) (CAS: 63148-52-7) typically synthesized?

Poly(dimethylsiloxane-co-methylphenylsiloxane) (CAS: 63148-52-7) is synthesized via a condensation polymerization process. The reaction typically involves the use of organohalosilanes and a Lewis acid catalyst, such as zinc chloride. The process yields a high molecular weight polymer with a controlled composition of dimethylsiloxane and methylphenylsiloxane units, ensuring optimal properties such as thermal stability and electrical insulation.

Q: What industries use Poly(dimethylsiloxane-co-methylphenylsiloxane) (CAS: 63148-52-7)?

Poly(dimethylsiloxane-co-methylphenylsiloxane) (CAS: 63148-52-7) finds applications in various industries. It is commonly used in the pharmaceuticals industry for drug delivery systems, in polymers for sealants and adhesives, in sensors for chemical and biological detection, and in semiconductor manufacturing for encapsulation and protection of electronic components. Its unique properties make it suitable for these and other specialized applications.

Q: What precautions should be taken when handling Poly(dimethylsiloxane-co-methylphenylsiloxane) (CAS: 63148-52-7)?

When handling Poly(dimethylsiloxane-co-methylphenylsiloxane) (CAS: 63148-52-7), it is important to wear appropriate personal protective equipment (PPE), including gloves, goggles, and a lab coat. Work should be conducted in a well-ventilated area or a fume hood. Spills should be managed carefully, and the appropriate safety data sheet (SDS) should be consulted for specific handling instructions. If skin contact occurs, wash the area with soap and water immediately.

Poly(dimethylsiloxane-co-methylphenylsiloxane)

Basic Information

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CAS Number

63148-52-7

Molecular Formula

C9H14O2Si2

Molecular Weight

210.38 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Fine Chemicals Dyes and Pigments Organic Dyes

Basic Physical Properties

Melting Point

<0°C

Boiling Point

>205°C

Density

1.05 g/mL at 25 °C

Refractive Index

n20/D 1.51

Vapor Pressure

<5 mmHg ( 25 °C)

SMILES

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C[Si](=O)C.C[Si](=O)C1=CC=CC=C1

InChI

InChI=1S/C7H8OSi.C2H6OSi/c1-9(8)7-5-3-2-4-6-7;1-4(2)3/h2-6H,1H3;1-2H3

InChIKey

XWFOTLCDICUQTI-UHFFFAOYSA-N

LogP

1.6134

Topological Polar Surface Area

34.14 Å²

Hydrogen Bond Donor/Acceptor

0 / 2

Complexity

135

Safety Information

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Stability

Stable.

Synonyms & References

English

DTXSID40961368
63148-52-7
40989-37-5
Dimethylsilanone--methyl(phenyl)silanone (1/1)
Poly(dimethylsiloxane-co-methylphenylsiloxane)
DOW CORNING 550 HIGH TEMPERATURE LOW VOLATILITY SILICONE FLUID
PHENYLMETHYLSILOXANE-DIMETHYLSILOXANE COPOLYMER, 125 cSt
Dowcorning550silicone
hightemperaturelowvolatilitysiliconefluid
PHENYLMETHYLSILOXANE HOMOPOLYMER
PHENYLMETHYLSILOXANE-DIMETHYLSILOXANE COPOLYMER
SiloxanesandSilicones,di-Me,MePh
VISCOSITY 50 CST.

MDL Number

MFCD00133270

FAQ

What are the physical and chemical properties of Poly(dimethylsiloxane-co-methylphenylsiloxane) (CAS: 63148-52-7)?

Poly(dimethylsiloxane-co-methylphenylsiloxane) (CAS: 63148-52-7) is a silicone polymer with a mixture of dimethylsiloxane and methylphenylsiloxane units. It exhibits good thermal stability, low surface tension, and excellent electrical insulation properties. The polymer has a high molecular weight, typically ranging from 10,000 to 1,000,000 g/mol, depending on the specific composition. It is slightly soluble in common organic solvents like toluene and acetone and has a low reactivity under normal conditions.

How is Poly(dimethylsiloxane-co-methylphenylsiloxane) (CAS: 63148-52-7) typically synthesized?

Poly(dimethylsiloxane-co-methylphenylsiloxane) (CAS: 63148-52-7) is synthesized via a condensation polymerization process. The reaction typically involves the use of organohalosilanes and a Lewis acid catalyst, such as zinc chloride. The process yields a high molecular weight polymer with a controlled composition of dimethylsiloxane and methylphenylsiloxane units, ensuring optimal properties such as thermal stability and electrical insulation.

What industries use Poly(dimethylsiloxane-co-methylphenylsiloxane) (CAS: 63148-52-7)?

Poly(dimethylsiloxane-co-methylphenylsiloxane) (CAS: 63148-52-7) finds applications in various industries. It is commonly used in the pharmaceuticals industry for drug delivery systems, in polymers for sealants and adhesives, in sensors for chemical and biological detection, and in semiconductor manufacturing for encapsulation and protection of electronic components. Its unique properties make it suitable for these and other specialized applications.

What precautions should be taken when handling Poly(dimethylsiloxane-co-methylphenylsiloxane) (CAS: 63148-52-7)?

When handling Poly(dimethylsiloxane-co-methylphenylsiloxane) (CAS: 63148-52-7), it is important to wear appropriate personal protective equipment (PPE), including gloves, goggles, and a lab coat. Work should be conducted in a well-ventilated area or a fume hood. Spills should be managed carefully, and the appropriate safety data sheet (SDS) should be consulted for specific handling instructions. If skin contact occurs, wash the area with soap and water immediately.