Diallyldimethylsilane

CAS 1113-12-8(H2C=CHCH2)2Si(CH3)2Chemical Synthesis

Diallyldimethylsilane (CAS: 1113-12-8) is an organosilicon compound with the molecular formula (H₂C=CHCH₂)₂Si(CH₃)₂ and a molecular weight of 140.30 g/mol. This flammable liquid is primarily utilized as a reagent in chemical synthesis, particularly in the field of organometallic chemistry and organosilicon compounds. Its reactive allyl groups and silicon centre make it a versatile building block for creating more complex molecular structures in research and industrial applications.

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Diallyldimethylsilane ((H2C=CHCH2)2Si(CH3)2) — chemical structure, CAS 1113-12-8; Chemistry, fine chemical supplied by Tech Serve Solutions

Chemical SynthesisOrganometallic ReagentsOrganosiliconOthers

01 /Applications

Organosilicon Synthesis

Diallyldimethylsilane serves as a key precursor for the synthesis of various organosilicon compounds. Its structure allows for further functionalization, enabling the creation of polymers and materials with tailored properties.

Chemical Reagent

Utilized as a reagent in organic synthesis, it participates in reactions that introduce the diallyldimethylsilyl moiety into target molecules. This is valuable for developing novel compounds in pharmaceutical and materials science research.

Cross-linking Agent

The presence of two allyl groups suggests potential use as a cross-linking agent in polymerization processes, contributing to the formation of stable network structures in polymers and resins.

02 /Properties

Molecular weight	140.30
Linear formula	(H2C=CHCH2)2Si(CH3)2
Assay	98%
Boiling point	54 °C/20 mmHg(lit.)
Density	0.768 g/mL at 25 °C(lit.)
Refractive index	n20/D 1.441(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	19 °C / 66.2 °F
Transport (UN / ADR)	UN 1993BF 3 / PGII
Water hazard class (WGK, DE)	3
Hazard codes (EU)	F,Xi
Risk statements (R)	11-36/37/38
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

1113-12-8

MDL number

MFCD00008636

PubChem substance

24859570

Beilstein registry

1740059

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 Diallyldimethylsilane used for?

Diallyldimethylsilane is used as a reagent in chemical synthesis, particularly for creating organosilicon compounds and as a potential cross-linking agent in polymer chemistry.

What is the CAS number and formula for Diallyldimethylsilane?

The CAS number for Diallyldimethylsilane is 1113-12-8, and its linear formula is (H₂C=CHCH₂)₂Si(CH₃)₂.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Diallyldimethylsilane with an assay of 98%. This product is supplied for technical and research purposes and is not represented as USP, BP, EP, or any other pharmacopoeia grade.

How should Diallyldimethylsilane be handled safely?

Diallyldimethylsilane is a highly flammable liquid and vapour (H225) and can cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). It requires careful handling in a well-ventilated area, using appropriate personal protective equipment including eyeshields, gloves, and respiratory protection. Store away from ignition sources.

How is Diallyldimethylsilane shipped and exported?

Diallyldimethylsilane is classified under UN 1993 BF 3 / PGII for transportation. Tech Serve Solutions can arrange for its export to qualified international customers, adhering to all relevant shipping regulations.

How can I request a sample or quote for Diallyldimethylsilane?

To request a sample or a quotation for Diallyldimethylsilane, please contact our sales team through the website or by phone, providing your specific requirements.