1,2-Bis(dimethylsilyl)benzene

CAS 17985-72-7C6H4[SiH(CH3)2]2Chemical Synthesis

1,2-Bis(dimethylsilyl)benzene (CAS: 17985-72-7) is a silicon-based organic compound with the molecular formula C₆H₄[SiH(CH₃)₂]₂ and a molecular weight of 194.42 g/mol. It is primarily utilised as a reagent in chemical synthesis, particularly in applications involving protection and derivatisation strategies. This compound serves as a valuable building block for creating more complex molecular structures in research and development.

IUPAC: o-Phenylenebis(dimethylsilane)
Synonyms: o-Phenylenebis(dimethylsilane)C6H4[SiH(CH3)2]2

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1,2-Bis(dimethylsilyl)benzene (C6H4[SiH(CH3)2]2) — chemical structure, CAS 17985-72-7; Chemistry, fine chemical supplied by Tech Serve Solutions

Chemical SynthesisSilicon-BasedSynthetic Reagents

01 /Applications

Protecting Group Reagent

1,2-Bis(dimethylsilyl)benzene is employed as a reagent for the protection of specific functional groups during multi-step organic synthesis. Its ability to form stable silyl derivatives aids in selective transformations.

Derivatisation Agent

This compound can be used to introduce dimethylsilyl moieties, facilitating the derivatisation of organic molecules. This is often a crucial step in analytical chemistry or for modifying compound properties.

Organic Synthesis Building Block

As a silicon-containing organic molecule, it serves as a versatile building block in the synthesis of novel organosilicon compounds and complex organic frameworks for research purposes.

02 /Properties

Molecular weight	194.42
Linear formula	C6H4[SiH(CH3)2]2
Assay	≥98.0%
Boiling point	101 °C/13 mmHg(lit.)
Density	0.898 g/mL at 25 °C(lit.)
Refractive index	n20/D 1.51(lit.)n20/D 1.51

03 /Safety & handling

Protective equipment	Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point	70 °C / 158 °F
Water hazard class (WGK, DE)	3

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

17985-72-7

MDL number

MFCD00142462

Beilstein registry

2937027

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is 1,2-Bis(dimethylsilyl)benzene used for?

1,2-Bis(dimethylsilyl)benzene is used as a reagent in chemical synthesis, specifically for protecting and derivatizing organic molecules, and as a building block for organosilicon compounds.

What is the CAS number and formula for 1,2-Bis(dimethylsilyl)benzene?

The CAS number is 17985-72-7, and the linear formula is C₆H₄[SiH(CH₃)₂]₂.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies 1,2-Bis(dimethylsilyl)benzene with a purity of ≥98.0%. This is a technical/research grade chemical, and TSS does not represent it as USP, BP, or EP.

What are the safety and handling precautions for this chemical?

This compound is flammable with a flash point of 70°C (158°F). Appropriate personal protective equipment, including eyeshields and gloves, is essential. Respiratory protection such as a full-face respirator or a multi-purpose combination respirator cartridge (US) is recommended. Refer to the Safety Data Sheet for comprehensive guidance.

How is 1,2-Bis(dimethylsilyl)benzene packed and exported?

Tech Serve Solutions securely packs and exports chemicals globally, adhering to all relevant shipping and regulatory requirements for hazardous materials.