Dimethyldivinylsilane

CAS 10519-87-6(H2C=CH)2Si(CH3)2Chemical Synthesis

Dimethyldivinylsilane (CAS: 10519-87-6), with the linear formula (H₂C=CH)₂Si(CH₃)₂, is an organosilicon compound featuring two vinyl groups attached to a silicon atom. This flammable liquid, weighing 112.24 g/mol, is primarily utilised in chemical synthesis, particularly in the development of polymers and specialised organosilicon materials. Its reactivity makes it a valuable intermediate for creating more complex molecular structures.

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Dimethyldivinylsilane ((H2C=CH)2Si(CH3)2) — chemical structure, CAS 10519-87-6; Chemistry, fine chemical supplied by Tech Serve Solutions

Chemical SynthesisOrganometallic ReagentsOrganosiliconOthers

01 /Applications

Polymer Synthesis

Dimethyldivinylsilane serves as a monomer or cross-linking agent in the synthesis of various polymers, including silicones. It imparts unique properties such as flexibility and thermal stability to the resulting polymer chains.

Organosilicon Chemistry

This compound is a key building block in organosilicon chemistry, enabling the introduction of dimethylsilane units into diverse organic and inorganic frameworks for tailored material properties.

Intermediate for Fine Chemicals

It functions as an intermediate in the multi-step synthesis of specialised fine chemicals and reagents, leveraging the reactivity of its vinyl groups.

02 /Properties

Molecular weight	112.24
Linear formula	(H2C=CH)2Si(CH3)2
Assay	97%
Boiling point	79-82 °C(lit.)
Density	0.731 g/mL at 25 °C(lit.)
Refractive index	n20/D 1.4187(lit.)

03 /Safety & handling

GHS hazard pictogram: Flammable (GHS02) — Flammable

GHS hazard pictogram: Harmful / irritant (GHS07) — Harmful / irritant

Danger

Hazard statements

H225Highly flammable liquid and vapour
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements

P210Keep away from heat, sparks and open flames. No smoking
P261Avoid breathing dust, fume, gas or vapours
P305IF IN EYES

Protective equipment	Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point	-22 °C / -7.6 °F
Transport (UN / ADR)	UN 1993BF 3 / PGII
Water hazard class (WGK, DE)	3
Hazard codes (EU)	Xi
Risk statements (R)	10-36/37/38
Safety statements (S)	16-26-36/37/39

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

04 /Identifiers & registry

CAS number

10519-87-6

MDL number

MFCD00053855

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 Dimethyldivinylsilane used for?

Dimethyldivinylsilane is used in chemical synthesis, particularly for the creation of polymers and organosilicon materials. It acts as a monomer or cross-linking agent and an intermediate for fine chemicals.

What is the CAS number and formula for Dimethyldivinylsilane?

The CAS number for Dimethyldivinylsilane is 10519-87-6, and its linear formula is (H₂C=CH)₂Si(CH₃)₂.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Dimethyldivinylsilane with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated.

What are the main safety hazards associated with Dimethyldivinylsilane?

Dimethyldivinylsilane is a highly flammable liquid and vapour (H225) causing skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment and in a well-ventilated area.

How is Dimethyldivinylsilane packed and shipped?

Dimethyldivinylsilane is typically packed in compliance with UN 1993 (Flammable liquid, n.o.s.) regulations, Class 3, Packing Group II, for safe domestic and international export.

How can I request a quote or sample of Dimethyldivinylsilane?

To request a quote or a sample, please contact the Tech Serve Solutions sales team through our website or by phone. Specify the product name and CAS number (10519-87-6) in your request.