Hexaphenyldisiloxane

Basic Information

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CAS Number

1829-40-9

Molecular Formula

C36H30OSi2

Molecular Weight

534.81 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Hydrocarbons

Basic Physical Properties

Melting Point

226.0 to 230.0 deg-C

Boiling Point

494°C

Solubility

Insuluble (1.4E-7 g/L) (25 ºC),

Refractive Index

1.6800 (25 ºC)

Vapor Pressure

0.0±1.5 mmHg at 25°C

SMILES

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C1=CC=C(C=C1)[Si](C2=CC=CC=C2)(C3=CC=CC=C3)O[Si](C4=CC=CC=C4)(C5=CC=CC=C5)C6=CC=CC=C6

InChI

InChI=1S/C36H30OSi2/c1-7-19-31(20-8-1)38(32-21-9-2-10-22-32,33-23-11-3-12-24-33)37-39(34-25-13-4-14-26-34,35-27-15-5-16-28-35)36-29-17-6-18-30-36/h1-30H

InChIKey

IVZTVZJLMIHPEY-UHFFFAOYSA-N

LogP

4.337200000000004

Topological Polar Surface Area

9.23 Å²

Hydrogen Bond Donor/Acceptor

0 / 1

Complexity

551

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

Disiloxane, hexaphenyl-
AKOS015840379
FT-0627040
Disiloxane, 1,1,1,3,3,3-hexaphenyl-
tri(phenyl)-tri(phenyl)silyloxysilane
1829-40-9
SY103618
Hexaphenyldisiloxane
IVZTVZJLMIHPEY-UHFFFAOYSA-
2,3-Quinolinedicarboxylicacid, 2,3-dimethyl ester
triphenylsilyl ether
NSC-12574
Disiloxane,1,1,1,3,3,3-hexaphenyl-
AS-62188
PJ8QLV5GGN
di(triphenylsilane)ether
1,1,1,3,3,3-Hexaphenyl-Disiloxane
C36H30OSi2
Hexaphenyldisiloxane, technical, >=90% (HPLC)
Bis(triphenylsilyl)ether
triphenyl(triphenylsilyloxy)silane
EINECS 217-381-6
NS00045708
NSC 12574
SCHEMBL335769
CS-0156587
InChI=1/C36H30OSi2/c1-7-19-31(20-8-1)38(32-21-9-2-10-22-32,33-23-11-3-12-24-33)37-39(34-25-13-4-14-26-34,35-27-15-5-16-28-35)36-29-17-6-18-30-36/h1-30H
NSC12574
D90901
S09775
1,1,1,3,3,3-hexaphenyldisiloxane

MDL Number

MFCD00014068

Customs Code

2934999090

FAQ

What are the physical and chemical properties of Hexaphenyldisiloxane (CAS: 1829-40-9)?

Hexaphenyldisiloxane (CAS: 1829-40-9) is a colorless, crystalline solid with a molecular weight of approximately 506.5 g/mol. It has a high melting point of 145-147°C and is poorly soluble in water but soluble in organic solvents like toluene and dichloromethane. Chemically, it is relatively stable but can react with strong acids and bases. Its main reactivity is through its phenyl groups, making it useful in organic synthesis and polymer chemistry.

How is Hexaphenyldisiloxane (CAS: 1829-40-9) typically synthesized?

Hexaphenyldisiloxane is typically synthesized via the condensation of hexachlorodisiloxane with phenylboronic acid in the presence of a palladium catalyst, such as Pd(PPh3)4, under controlled conditions. The reaction is optimized for high yield and selectivity, with the catalyst facilitating the bond formation between the silicon and phenyl groups, resulting in the formation of the desired hexaphenyldisiloxane product.

What industries use Hexaphenyldisiloxane (CAS: 1829-40-9)?

Hexaphenyldisiloxane (CAS: 1829-40-9) is used in various industries. It serves as a monomer in the synthesis of novel polymers, is a component in pharmaceuticals for specific applications, and is utilized in the development of sensors and semiconductors due to its unique chemical properties. Its stability and reactivity make it valuable in these sectors.

What precautions should be taken when handling Hexaphenyldisiloxane (CAS: 1829-40-9)?

When handling Hexaphenyldisiloxane (CAS: 1829-40-9), it is essential to wear appropriate personal protective equipment (PPE), including gloves, goggles, and a lab coat to protect against potential skin and eye contact. Work should be conducted in a well-ventilated area or fume hood to minimize inhalation risks. In case of a spill, immediate containment and proper disposal should be carried out according to safety data sheet (SDS) guidelines. Always refer to the SDS for detailed safety information.