1-Methoxy-1,1,3-trimethyl-3,3-diphenyldisiloxane | CAS No. 68083-14-7

Q: What are the physical and chemical properties of 1-Methoxy-1,1,3-trimethyl-3,3-diphenyldisiloxane (CAS: 68083-14-7)?

1-Methoxy-1,1,3-trimethyl-3,3-diphenyldisiloxane (CAS: 68083-14-7) is a colorless, viscous liquid with a high molecular weight and low solubility in water. It is moderately reactive with acidic and basic compounds. The compound is stable under normal conditions but should be stored in a dry environment to avoid moisture-induced degradation.

Q: How is 1-Methoxy-1,1,3-trimethyl-3,3-diphenyldisiloxane (CAS: 68083-14-7) typically synthesized?

1-Methoxy-1,1,3-trimethyl-3,3-diphenyldisiloxane is typically synthesized using a multistep process involving the reaction of a phenylsilane with methyltributyltin and methanol. The synthesis requires careful control of reaction conditions to ensure high yield and selectivity.

Q: What industries use 1-Methoxy-1,1,3-trimethyl-3,3-diphenyldisiloxane (CAS: 68083-14-7)?

1-Methoxy-1,1,3-trimethyl-3,3-diphenyldisiloxane (CAS: 68083-14-7) is used in the pharmaceutical industry for drug synthesis, in polymer science for modifying properties of polymers, and in sensor technology for chemical detection. It also has applications in semiconductor manufacturing for silicon-based materials.

Q: What precautions should be taken when handling 1-Methoxy-1,1,3-trimethyl-3,3-diphenyldisiloxane (CAS: 68083-14-7)?

When handling 1-Methoxy-1,1,3-trimethyl-3,3-diphenyldisiloxane (CAS: 68083-14-7), wear appropriate personal protective equipment (PPE) such as gloves, goggles, and a lab coat. Ensure that the work is conducted in a well-ventilated area or fume hood. Follow all safety guidelines from the Material Safety Data Sheet (SDS) and dispose of any waste properly.

1-Methoxy-1,1,3-trimethyl-3,3-diphenyldisiloxane

Basic Information

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CAS Number

68083-14-7

Molecular Formula

C16H22O2Si2

Molecular Weight

302.52 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Hydrocarbons

Basic Physical Properties

Melting Point

-50 °C

Boiling Point

>140 °C0.002 mm Hg

Density

1.09 g/mL at 20 °C

Water Solubility

Miscible with aliphatic, aromatic hydrocarbons, alcohol and chlorinated hydrocarbons. Immiscible with water, methanol and ethylene glycol.

Flash Point

>230 °F

Refractive Index

n20/D 1.537

Vapor Pressure

<5 mm Hg ( 25 °C)

SMILES

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CO[Si](C)(C)O[Si](C)(c1ccccc1)c2ccccc2

InChI

InChI=1S/C16H22O2Si2/c1-17-19(2,3)18-20(4,15-11-7-5-8-12-15)16-13-9-6-10-14-16/h5-14H,1-4H3

InChIKey

ARWRSWALIGRKQA-UHFFFAOYSA-N

LogP

2.740900000000001

Topological Polar Surface Area

18.46 Å²

Hydrogen Bond Donor/Acceptor

0 / 2

Synonyms & References

English

Polysiloxanes, di-Me, di-Ph
Silicone oil
DIPHENYLSILOXANE-DIMETHYLSILOXANE COPOLYMER
dimethyldiphenylpolysiloxane
Dimethyldiphenylsiloxanecopolymerviscosity
Dimethylsiloxane-diphenylsiloxane copolymer
Diphenylsiloxane - dimethylsiloxane silanol terminated copolymer
Poly(dimethylsiloxane-co-diphenylsiloxane), trimethylsilyl terminated
PolydiMethylsiloxane (silicone) eMulsion
KF 54
KF 54-400CS
KF 54HV
MED 10-6600
Mirasil DPDM
Nikkol KM 1
OV 35
OV 5

MDL Number

MFCD00132673

FAQ

What are the physical and chemical properties of 1-Methoxy-1,1,3-trimethyl-3,3-diphenyldisiloxane (CAS: 68083-14-7)?

1-Methoxy-1,1,3-trimethyl-3,3-diphenyldisiloxane (CAS: 68083-14-7) is a colorless, viscous liquid with a high molecular weight and low solubility in water. It is moderately reactive with acidic and basic compounds. The compound is stable under normal conditions but should be stored in a dry environment to avoid moisture-induced degradation.

How is 1-Methoxy-1,1,3-trimethyl-3,3-diphenyldisiloxane (CAS: 68083-14-7) typically synthesized?

1-Methoxy-1,1,3-trimethyl-3,3-diphenyldisiloxane is typically synthesized using a multistep process involving the reaction of a phenylsilane with methyltributyltin and methanol. The synthesis requires careful control of reaction conditions to ensure high yield and selectivity.

What industries use 1-Methoxy-1,1,3-trimethyl-3,3-diphenyldisiloxane (CAS: 68083-14-7)?

1-Methoxy-1,1,3-trimethyl-3,3-diphenyldisiloxane (CAS: 68083-14-7) is used in the pharmaceutical industry for drug synthesis, in polymer science for modifying properties of polymers, and in sensor technology for chemical detection. It also has applications in semiconductor manufacturing for silicon-based materials.

What precautions should be taken when handling 1-Methoxy-1,1,3-trimethyl-3,3-diphenyldisiloxane (CAS: 68083-14-7)?

When handling 1-Methoxy-1,1,3-trimethyl-3,3-diphenyldisiloxane (CAS: 68083-14-7), wear appropriate personal protective equipment (PPE) such as gloves, goggles, and a lab coat. Ensure that the work is conducted in a well-ventilated area or fume hood. Follow all safety guidelines from the Material Safety Data Sheet (SDS) and dispose of any waste properly.