Diphenylsilane

Basic Information

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CAS Number

775-12-2

Molecular Formula

C12H12Si

Molecular Weight

184.31 g/mol

EINECS

212-271-4

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Hydrocarbons

Basic Physical Properties

Melting Point

79 ºC (Solv: pentane)

Boiling Point

97°C/12mmHg

Density

0.993 g/mL at 25 °C

Water Solubility

Decomposes in water.

Refractive Index

n20/D 1.579(lit.)

SMILES

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

InChI

InChI=1S/C12H12Si/c1-3-7-11(8-4-1)13-12-9-5-2-6-10-12/h1-10H,13H2

InChIKey

VDCSGNNYCFPWFK-UHFFFAOYSA-N

LogP

0.8061999999999998

Topological Polar Surface Area

0.0 Å²

Hydrogen Bond Donor/Acceptor

0 / 0

Complexity

116

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

Storage Conditions

Inert atmosphere,2-8°C

Hydrolysis Sensitivity

3: reacts with aqueous base

Sensitiveness

Air & Moisture Sensitive

Synonyms & References

English

EINECS 212-271-4
diphenylsilicon;Diphenylsilane
JT2G9H7LNZ
CS-0006220
NSC168693
NSC-168693
DTXSID10883568
NSC-33013
NSC33013
AM20041161
Diphenylsilane
UNII-JT2G9H7LNZ
1,1'-Silylenebis[benzene]
Benzene, 1,1'-silylenebis-
AKOS008901150
PB47733
TSL-8224
D2820
Diphenylsilane, 97%
D2406
775-12-2
NSC 33013
A839121
FS-5642
FT-0625285
Silane, diphenyl-
DIPHENYLSILANE-[D2]
diphenylsilicon
Benzene,1,1'-silylenebis
Silane,diphenyl
Silane,diphenyl- (6CI,8CI,9CI)

MDL Number

MFCD00003002

EC Number

212-271-4

Customs Code

29310095

FAQ

What are the physical and chemical properties of Diphenylsilane (CAS: 775-12-2)?

Diphenylsilane (CAS: 775-12-2) is a colorless liquid at room temperature. It has a molecular weight of 172.26 g/mol and a boiling point of 118.8°C. Diphenylsilane is slightly soluble in water but miscible with organic solvents. It is reactive towards moisture, forming silanol groups. It is often used as a silicon source in organosilicon chemistry.

How is Diphenylsilane (CAS: 775-12-2) typically synthesized?

Diphenylsilane (CAS: 775-12-2) is typically synthesized via the reaction of phenylmagnesium bromide with silane, often catalyzed by a Lewis acid like lithium chloride. The yield is around 90%, and the selectivity is excellent, making this a common method for preparing this compound.

What industries use Diphenylsilane (CAS: 775-12-2)?

Diphenylsilane (CAS: 775-12-2) is widely used in the pharmaceuticals, polymers, and semiconductor industries. It serves as a precursor in the synthesis of organosilicon compounds, which are used in drug delivery systems and polymer synthesis. In the semiconductor industry, it is used in the production of silicon-based materials and in coating processes.

What precautions should be taken when handling Diphenylsilane (CAS: 775-12-2)?

When handling Diphenylsilane (CAS: 775-12-2), wear appropriate personal protective equipment (PPE) including gloves, goggles, and a lab coat. Store it in a well-ventilated area and use a fume hood during handling. In case of spill, use appropriate cleanup procedures and consult the Safety Data Sheet (SDS) for detailed instructions.