1,1,3,3-Tetramethyl-1,3-diphenyldisiloxane

Basic Information

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CAS Number

56-33-7

Molecular Formula

C16H22OSi2

Molecular Weight

286.52 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Hydrocarbons

Basic Physical Properties

Physical State

No data avaiable

Melting Point

-89°C

Boiling Point

292°C

Flash Point

118 ºC

Refractive Index

1.52

SMILES

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

InChI

InChI=1S/C16H22OSi2/c1-18(2,15-11-7-5-8-12-15)17-19(3,4)16-13-9-6-10-14-16/h5-14H,1-4H3

InChIKey

YQJPWWLJDNCSCN-UHFFFAOYSA-N

LogP

3.2276000000000016

Topological Polar Surface Area

9.23 Å²

Hydrogen Bond Donor/Acceptor

0 / 1

Complexity

249

Safety Information

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Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

Synonyms & References

English

1,1,3,3-tetramethyl-1,3-diphenyldisiloxan
NCIOpen2_006351
Sym-tetramethyl-diphenyl-disiloxane
AKOS016013059
1,1,3,3-Tetramethyl-1,3-diphenyldisiloxane
1,3-Diphenyltetramethyldisiloxane
Bis(dimethylphenylsilyl)oxide
9X93JM12WM
BENZENE, 1,1'-(1,1,3,3-TETRAMETHYL-1,3-DISILOXANEDIYL)BIS-
CS-0158130
SCHEMBL121414
NS00041173
BIS(DIMETHYLPHENYLSILYL) ETHER
Disiloxane,1,3,3-tetramethyl-1,3-diphenyl-
NSC-96791
Bis(phenyldimethylsilyl)oxide
SYM-DIPHENYLTETRAMETHYLDISILOXANE
1,1,3,3-TETRAMETHYL-1,3-DIPHENYL-DISILOXANE
(PhMe2Si)2O
D-6190
Q27115784
CHEBI:34061
DTXSID8022537
1,3,3-Tetramethyl-1,3-diphenyldisiloxane
S08175
[dimethyl(phenyl)silyl]oxy-dimethyl-phenylsilane
D70971
1,3-Diphenyl-1,1,3,3-tetramethyldisiloxane
T3348
AS-2182
NSC 96791

MDL Number

MFCD00039793

Customs Code

2934999090

FAQ

What are the physical and chemical properties of 1,1,3,3-Tetramethyl-1,3-diphenyldisiloxane (CAS: 56-33-7)?

1,1,3,3-Tetramethyl-1,3-diphenyldisiloxane (CAS: 56-33-7) is a colorless liquid with a high molecular weight of approximately 342.36 g/mol. It has a low solubility in water but is soluble in common organic solvents. The compound is relatively stable but reacts with strong bases and acids. It is often used as a precursor in organosilicon chemistry.

How is 1,1,3,3-Tetramethyl-1,3-diphenyldisiloxane (CAS: 56-33-7) typically synthesized?

1,1,3,3-Tetramethyl-1,3-diphenyldisiloxane (CAS: 56-33-7) is typically synthesized via the condensation of diphenyldichlorosilane with tetramethyldisiloxane, mediated by a base such as sodium hydride. The reaction involves the formation of a complex intermediate, followed by elimination of hydrogen chloride to yield the final product.

What industries use 1,1,3,3-Tetramethyl-1,3-diphenyldisiloxane (CAS: 56-33-7)?

1,1,3,3-Tetramethyl-1,3-diphenyldisiloxane (CAS: 56-33-7) is primarily used in the pharmaceutical industry for the synthesis of organosilicon compounds, in the polymer industry as a monomer, and in the semiconductor industry for silicon-based materials. It is also used in sensor technology and as a reagent in organic synthesis.

What precautions should be taken when handling 1,1,3,3-Tetramethyl-1,3-diphenyldisiloxane (CAS: 56-33-7)?

When handling 1,1,3,3-Tetramethyl-1,3-diphenyldisiloxane (CAS: 56-33-7), wear appropriate personal protective equipment (PPE) such as gloves, goggles, and a lab coat. Store the compound in a cool, dry place, away from direct sunlight. Use a fume hood when handling or using the compound. In case of spill, refer to the Safety Data Sheet (SDS) for specific instructions.