[(1,1-Dimethyl-2-propynyl)oxy]trimethylsilane

CAS 17869-77-1HC≡CC(CH3)2OSi(CH3)3Chemical Synthesis

[(1,1-Dimethyl-2-propynyl)oxy]trimethylsilane (CAS 17869-77-1), with a molecular formula of HC≡CC(CH3)2OSi(CH3)3 and a molecular weight of 156.30, is a valuable organosilicon compound. It serves as a versatile building block in organic synthesis. Its unique structure allows for diverse chemical transformations, making it a key intermediate in the creation of more complex molecules within research and development settings.

Synonyms: HC≡CC(CH3)2OSi(CH3)3

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[(1,1-Dimethyl-2-propynyl)oxy]trimethylsilane (HC≡CC(CH3)2OSi(CH3)3) — chemical structure, CAS 17869-77-1; Chemistry, fine chemical supplied by Tech Serve Solutions

AlkynesBuilding BlocksChemical SynthesisOrganic Building BlocksTerminal

01 /Applications

Organic Synthesis Intermediate

Utilised as a precursor in the synthesis of various organic compounds. Its reactive alkyne and silyl ether functionalities enable participation in a range of chemical reactions.

Building Block for Complex Molecules

Serves as a fundamental component in the construction of intricate molecular architectures. Its application spans the development of novel materials and pharmaceutical candidates.

Research and Development Reagent

Employed in academic and industrial research laboratories for exploring new synthetic pathways and developing innovative chemical processes. Aids in the study of organosilicon chemistry.

02 /Properties

Molecular weight	156.30
Linear formula	HC≡CC(CH3)2OSi(CH3)3
Assay	98%
Boiling point	115-116 °C(lit.)
Density	0.806 g/mL at 25 °C(lit.)
Refractive index	n20/D 1.404(lit.)

03 /Safety & handling

GHS hazard pictogram: Flammable (GHS02) — Flammable

Danger

Hazard statements

H225Highly flammable liquid and vapour

Precautionary statements

P210Keep away from heat, sparks and open flames. No smoking

Protective equipment	Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point	20 °C / 68 °F
Transport (UN / ADR)	UN 1993BF 3 / PGII
Water hazard class (WGK, DE)	3
Hazard codes (EU)	F
Risk statements (R)	11
Safety statements (S)	16-36

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

04 /Identifiers & registry

CAS number

17869-77-1

MDL number

MFCD00053867

PubChem substance

24872960

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 [(1,1-Dimethyl-2-propynyl)oxy]trimethylsilane used for?

This compound is primarily used as a building block and intermediate in organic synthesis and chemical research for the construction of complex molecules.

What are the CAS number and chemical formula for this product?

The CAS number is 17869-77-1 and the linear chemical formula is HC≡CC(CH3)2OSi(CH3)3.

What grade and purity does Tech Serve Solutions supply?

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

How should [(1,1-Dimethyl-2-propynyl)oxy]trimethylsilane be handled?

This compound is highly flammable (H225) and requires careful handling. Use in a well-ventilated area, away from ignition sources. Appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, should be worn.