Diphenyldimethoxysilane

Basic Information

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CAS Number

6843-66-9

Molecular Formula

C14H16O2Si

Molecular Weight

244.37 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Hydrocarbons

Basic Physical Properties

Melting Point

<0°C

Boiling Point

110°C/1mmHg

Density

1.08 g/mL at 20 °C

Refractive Index

n20/D 1.5450(lit.)

SMILES

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CO[Si](C1=CC=CC=C1)(C2=CC=CC=C2)OC

InChI

InChI=1S/C14H16O2Si/c1-15-17(16-2,13-9-5-3-6-10-13)14-11-7-4-8-12-14/h3-12H,1-2H3

InChIKey

AHUXYBVKTIBBJW-UHFFFAOYSA-N

LogP

1.5357999999999998

Topological Polar Surface Area

18.46 Å²

Hydrogen Bond Donor/Acceptor

0 / 2

Complexity

196

Safety Information

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GHS Hazard Pictograms

H315

Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

Sensitiveness

Moisture Sensitive

Synonyms & References

English

TSL 8172
CS-0113381
Q27231538
DPDMS cpd
dimethoxy-diphenyl-silane
NCIOpen2_005829
AS-15383
FT-0604912
CD6010
NS00044447
NSC 93509
Z 6074
Gp-235 Dimethoxydiphenylsilane
CHEMBL3560757
dimethoxy-di(phenyl)silane
AMY39306
SCHEMBL49008
Benzene, 1,1'-(dimethoxysilylene)bis-
KBM 202LS5300
NCGC00357261-01
S07875
J-520385
KBM 202
Silane, dimethoxydiphenyl-
MFCD00025690
EC 229-929-1
InChI=1/C14H16O2Si/c1-15-17(16-2,13-9-5-3-6-10-13)14-11-7-4-8-12-14/h3-12H,1-2H3
AY 43-047
UNII-02QB6788GC
AHUXYBVKTIBBJW-UHFFFAOYSA-
Dimethoxydiphenylsilane, >=95.0% (GC)

MDL Number

MFCD00025690

Customs Code

2931900090

FAQ

What is Diphenyldimethoxysilane (CAS: 6843-66-9)?

Diphenyldimethoxysilane is an organosilicon compound with the chemical formula C14H14O2Si. It is a colorless liquid known for its low boiling point and reactivity. Commonly used as an intermediate in silicone chemistry, it exhibits moderate solubility in organic solvents and is sensitive to moisture and air. The CAS number 6843-66-9 identifies this compound uniquely in chemical databases.

What are the main uses of Diphenyldimethoxysilane (CAS: 6843-66-9)?

Diphenyldimethoxysilane is widely used in the production of silicone-based materials, such as coatings, adhesives, and sealants. It serves as a precursor for silicone polymers and is applied in pharmaceuticals for drug delivery systems, in industrial manufacturing for specialty chemicals, and in research for developing advanced materials. Its versatility makes it relevant in multiple sectors, including chemical synthesis and material science.

Is Diphenyldimethoxysilane (CAS: 6843-66-9) safe?

Diphenyldimethoxysilane is generally considered safe when handled properly, but it may cause skin and eye irritation. Safety data sheets (SDS) classify it as a potential health hazard, emphasizing the need for protective gloves, goggles, and ventilation. It should be stored in a well-ventilated area, and exposure limits are set under OSHA and REACH regulations to ensure safe usage.

How should Diphenyldimethoxysilane (CAS: 6843-66-9) be stored?

Diphenyldimethoxysilane should be stored in a cool, dry, and dark place, ideally at 25°C. It requires airtight containers to prevent exposure to moisture and air, which can affect its stability. Avoiding light and maintaining low humidity levels are critical for preserving its chemical integrity. Storage should comply with safety standards to minimize risks associated with its reactivity.