Dimethylisopropylsilane

CAS 18209-61-5(CH3)2CHSiH(CH3)2Chemical Synthesis

Dimethylisopropylsilane (CAS 18209-61-5) is an organosilicon compound with the linear formula (CH3)2CHSiH(CH3)2 and a molecular weight of 102.25 g/mol. This volatile liquid is characterised by its high flammability and irritant properties. It is primarily utilised in chemical synthesis as a reagent, finding applications within organometallic chemistry and organosilicon research, where its unique structure facilitates specific chemical transformations.

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Dimethylisopropylsilane ((CH3)2CHSiH(CH3)2) — chemical structure, CAS 18209-61-5; Chemistry, fine chemical supplied by Tech Serve Solutions

Chemical SynthesisOrganometallic ReagentsOrganosiliconOthers

01 /Applications

Organosilicon Synthesis

Utilised as a building block or reagent in the synthesis of more complex organosilicon compounds. Its reactivity allows for the introduction of specific silicon-containing moieties into organic frameworks.

Organometallic Chemistry

Serves as a precursor or auxiliary reagent in certain organometallic reactions, potentially influencing catalytic processes or the formation of novel metal-silicon bonds.

Chemical Research Reagent

Employed in laboratory settings for fundamental chemical research, exploring new reaction pathways and developing synthetic methodologies. Its specific properties make it valuable for niche applications.

02 /Properties

Molecular weight	102.25
Linear formula	(CH3)2CHSiH(CH3)2
Assay	98%
Boiling point	66-67 °C(lit.)
Density	0.724 g/mL at 25 °C(lit.)
Refractive index	n20/D 1.391(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	-30 °C / -22 °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

18209-61-5

MDL number

MFCD00008861

PubChem substance

24854930

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 Dimethylisopropylsilane used for?

Dimethylisopropylsilane is used in chemical synthesis, particularly within organometallic and organosilicon chemistry, and as a general laboratory research reagent.

What are the CAS number and formula for Dimethylisopropylsilane?

The CAS number is 18209-61-5, and its linear formula is (CH3)2CHSiH(CH3)2.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Dimethylisopropylsilane with an assay of 98%. TSS does not represent this product as USP, BP, EP, or any other pharmacopoeia grade.

What are the primary safety hazards associated with Dimethylisopropylsilane?

Dimethylisopropylsilane is highly flammable (Flash Point: -30 °C) and can cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection, must be used.

How is Dimethylisopropylsilane packed and exported?

This product is shipped as a flammable liquid, UN 1993, Hazard Class 3, Packing Group II. TSS adheres to all international regulations for the export of hazardous materials.

How can I request a sample or quote for Dimethylisopropylsilane?

To request a sample or a quotation, please use the contact form on our website or contact our sales team directly, referencing product code 18209-61-5.