1,1,5,5-Tetramethyl-3,3-diphenyltrisiloxane

Basic Information

View in Editor

CAS Number

17875-55-7

Molecular Formula

C16H24O2Si3

Molecular Weight

332.62 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Hydrocarbons

Basic Physical Properties

Boiling Point

83°C/4mmHg

Flash Point

130 ºC

Refractive Index

1.5330

SMILES

View in Editor

C[Si](C)O[Si](C1=CC=CC=C1)(C2=CC=CC=C2)O[Si](C)C

InChI

InChI=1S/C16H24O2Si3/c1-19(2)17-21(18-20(3)4,15-11-7-5-8-12-15)16-13-9-6-10-14-16/h5-14,19-20H,1-4H3

InChIKey

SBURHUAIGVFSSI-UHFFFAOYSA-N

LogP

2.2430000000000003

Topological Polar Surface Area

18.46 Å²

Hydrogen Bond Donor/Acceptor

0 / 2

Complexity

268

Safety Information

View Safety Information

Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

Synonyms & References

English

FT-0697848
MFCD00411646
Trisiloxane, 1,1,5,5-tetramethyl-3,3-diphenyl-
2,6-dimethyl-4,4-diphenyl-3,5-dioxa-2,4,6-trisilaheptane
EINECS 241-828-4
A851781
AKOS024462463
1,1,5,5-Tetramethyl-3,3-diphenyltrisiloxane
17875-55-7
DTXSID50884993
AS-66968
SCHEMBL330426
Trisiloxane,1,1,5,5-tetramethyl-3,3-diphenyl-
1,1,5,5-Tetramethyl-3,3-Diphenyl Trisiloxane
Bis(dimethylsiloxy)diphenylsilane
Tetramethyl diphenyl dihydrogen trisiloxane
AX8293269
1,1,5,5,-Tetramethyl-3,3-diphenyl trisiloxane

MDL Number

MFCD00411646

Customs Code

29319090

FAQ

What are the physical and chemical properties of 1,1,5,5-Tetramethyl-3,3-diphenyltrisiloxane (CAS: 17875-55-7)?

1,1,5,5-Tetramethyl-3,3-diphenyltrisiloxane (CAS: 17875-55-7) is a clear, colorless liquid with a high boiling point. It has a high molecular weight and low volatility. The compound is poorly soluble in water but miscible with organic solvents. Chemically, it is relatively inert but can undergo reactions under certain conditions. It has low reactivity but can participate in condensation reactions to form higher polymers.

How is 1,1,5,5-Tetramethyl-3,3-diphenyltrisiloxane (CAS: 17875-55-7) typically synthesized?

1,1,5,5-Tetramethyl-3,3-diphenyltrisiloxane (CAS: 17875-55-7) is typically synthesized through the condensation of diphenylsilane and tetramethyldisiloxane. The reaction is catalyzed by metal salts, and the process is carried out under anhydrous and inert atmosphere conditions to ensure optimal yield and selectivity. The reaction involves the removal of water as a byproduct.

What industries use 1,1,5,5-Tetramethyl-3,3-diphenyltrisiloxane (CAS: 17875-55-7)?

1,1,5,5-Tetramethyl-3,3-diphenyltrisiloxane (CAS: 17875-55-7) is used in various industries, including pharmaceuticals, polymers, and sensors. In pharmaceutical applications, it serves as a diluent or solvent. In polymers, it is used to prepare silicone rubbers and adhesives. It also finds application in the production of sensors and semiconductors due to its thermal stability and chemical inertness.

What precautions should be taken when handling 1,1,5,5-Tetramethyl-3,3-diphenyltrisiloxane (CAS: 17875-55-7)?

When handling 1,1,5,5-Tetramethyl-3,3-diphenyltrisiloxane (CAS: 17875-55-7), it is important to wear appropriate personal protective equipment (PPE), including gloves, goggles, and a lab coat. Handle the compound in a fume hood to minimize inhalation. In case of a spill, immediately clean up with appropriate absorbent material and dispose of it according to local regulations. Always consult the Safety Data Sheet (SDS) for detailed handling instructions and emergency procedures.