5-(tert-Butyldimethylsilyloxy)-1-pentyne

CAS 61362-77-4C11H22OSiCatalysis & Inorganic

5-(tert-Butyldimethylsilyloxy)-1-pentyne (CAS 61362-77-4) is a silicon-containing organic compound with the molecular formula C11H22OSi and a molecular weight of 198.38 g/mol. This versatile chemical serves as a valuable building block in organic synthesis, particularly in reactions requiring protected alkynes. Its utility extends to various research and development applications within chemical synthesis.

IUPAC: (1,1-Dimethylethyl)dimethyl(4-pentyn-1-yloxy)silane,(1,1-Dimethylethyl)dimethyl(4-pentynyloxy)silane,1-(tert-Butyldimethylsilyloxy)-4-pentyne,4-Pentyn-1-ol tert-butyldimethylsilyl ether,5-TBDMSO-1-pentyne,tert-Butyldimethyl(4-pentynyloxy)silane
Synonyms: 1-(tert-Butyldimethylsilyloxy)-4-pentyne4-Pentyn-1-ol tert-butyldimethylsilyl ethertert-Butyldimethyl(4-pentynyloxy)silane5-TBDMSO-1-pentyne

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5-(tert-Butyldimethylsilyloxy)-1-pentyne (C11H22OSi) — chemical structure, CAS 61362-77-4; Chemistry, fine chemical supplied by Tech Serve Solutions

Chemical SynthesisSilicon

01 /Applications

Organic Synthesis Intermediate

Utilised as a key intermediate in multi-step organic syntheses, enabling the introduction of functionalised alkyne moieties. The tert-butyldimethylsilyl protecting group offers stability under various reaction conditions.

Material Science Research

Explored in material science for the development of novel polymers or functional materials where alkyne or silyl ether functionalities are desired.

Specialty Chemical Reagent

Acts as a specialised reagent in academic and industrial research laboratories for the construction of complex molecular architectures.

02 /Properties

Molecular weight	198.38
Empirical formula	C11H22OSi
Assay	97%
Density	0.841 g/mL at 25 °C

03 /Safety & handling

Flash point	65 °C / 149 °F
Transport (UN / ADR)	NA 1993 / PGIII
Water hazard class (WGK, DE)	3
Hazard codes (EU)	F
Risk statements (R)	10

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

04 /Identifiers & registry

CAS number

61362-77-4

MDL number

MFCD28053541

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 5-(tert-Butyldimethylsilyloxy)-1-pentyne used for?

5-(tert-Butyldimethylsilyloxy)-1-pentyne is primarily used as an intermediate in organic synthesis, enabling the construction of complex molecules, and in material science research.

What are the CAS number and chemical formula?

The CAS number is 61362-77-4 and the chemical formula is C11H22OSi.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies 5-(tert-Butyldimethylsilyloxy)-1-pentyne with a minimum assay of 97%. This product is intended for research and laboratory use and is not supplied as USP, BP, EP, or pharmaceutical grade.

How is this chemical shipped and exported?

As a flammable liquid, 5-(tert-Butyldimethylsilyloxy)-1-pentyne is shipped and exported according to relevant transportation regulations for hazardous materials, including UN 1993, Packing Group III.

What are the safety considerations when handling this compound?

This compound is a flammable liquid with a flash point of 65 °C (149 °F). Handle in a well-ventilated area away from ignition sources. Refer to the Safety Data Sheet (SDS) for comprehensive handling and safety information.

How can I request a sample or quote for 5-(tert-Butyldimethylsilyloxy)-1-pentyne?

To request a sample or a formal quotation, please contact the Tech Serve Solutions sales team through our website or by calling our office, providing the product name and CAS number.