2,3-Bis(trimethylsilyl)-1-propene

CAS 17891-65-5(CH3)3SiCH2C[Si(CH3)3]=CH2Chemical Synthesis

2,3-Bis(trimethylsilyl)-1-propene (CAS: 17891-65-5) is a specialized organosilicon compound with the linear formula (CH3)3SiCH2C[Si(CH3)3]=CH2 and a molecular weight of 186.44 g/mol. Characterised by its unique silyl-substituted alkene structure, it serves as a valuable building block in organic synthesis. It is particularly useful for introducing silyl functionalities and participating in various chemical transformations, finding application in the development of novel materials and complex organic molecules.

Synonyms: (CH3)3SiCH2C[Si(CH3)3]=CH2

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2,3-Bis(trimethylsilyl)-1-propene ((CH3)3SiCH2C[Si(CH3)3]=CH2) — chemical structure, CAS 17891-65-5; Chemistry, fine chemical supplied by Tech Serve Solutions

AcyclicAlkenesBuilding BlocksChemical SynthesisOrganic Building Blocks

01 /Applications

Organosilicon Synthesis

Used as a versatile synthon for incorporating bis-silyl functional groups into organic frameworks. Its reactivity allows for further functionalization via the alkene moiety or the silicon-carbon bonds.

Polymer Chemistry

Can be employed in the synthesis of novel silicon-containing polymers, potentially imparting unique thermal, mechanical, or optical properties. The silyl groups can influence polymer architecture and cross-linking.

Materials Science

Serves as a precursor or intermediate in the development of advanced materials, including specialty coatings, resins, or composites where organosilicon characteristics are desired.

Research and Development

A key reagent in academic and industrial research laboratories for exploring new synthetic methodologies and designing complex target molecules.

02 /Properties

Molecular weight	186.44
Linear formula	(CH3)3SiCH2C[Si(CH3)3]=CH2
Assay	97%
Boiling point	63 °C/30 mmHg(lit.)
Density	0.779 g/mL at 25 °C(lit.)
Refractive index	n20/D 1.439(lit.)

03 /Safety & handling

GHS hazard pictogram: Flammable (GHS02) — Flammable

Warning

Hazard statements

H226Flammable liquid and vapour

Protective equipment	Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point	37 °C / 98.6 °F
Transport (UN / ADR)	UN 1993C 3 / PGIII
Water hazard class (WGK, DE)	3
Risk statements (R)	10
Safety statements (S)	16

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

04 /Identifiers & registry

CAS number

17891-65-5

MDL number

MFCD00216611

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 2,3-Bis(trimethylsilyl)-1-propene used for?

2,3-Bis(trimethylsilyl)-1-propene is used as a building block in organic synthesis, particularly for introducing silyl functionalities, in polymer chemistry, and in materials science research.

What is the CAS number and formula for 2,3-Bis(trimethylsilyl)-1-propene?

The CAS number is 17891-65-5, and its linear formula is (CH3)3SiCH2C[Si(CH3)3]=CH2.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies 2,3-Bis(trimethylsilyl)-1-propene with a purity of 97%. We do not represent this product as USP, BP, EP, or any pharmacopoeia grade.

What are the safety and handling recommendations for this product?

This compound is flammable (H226) and requires careful handling. Wear appropriate personal protective equipment, including eyeshields, face shields, and gloves. Ensure adequate ventilation and use a full-face respirator if necessary. Store away from ignition sources.

How is 2,3-Bis(trimethylsilyl)-1-propene packed, shipped, and exported?

Tech Serve Solutions packs and ships chemicals in compliance with all relevant regulations for safe transportation. We are experienced global exporters.