Cyclohexylacetylene

CAS 931-48-6C6H11C≡CHChemical Synthesis

Cyclohexylacetylene (CAS: 931-48-6), with the molecular formula C 6 11 C≡CH and a molecular weight of 108.18 g/mol, is a terminal alkyne. This organic compound serves as a valuable building block in chemical synthesis. It is commonly employed in academic research and industrial laboratories for the development of novel organic molecules and complex chemical structures.

IUPAC: Ethynylcyclohexane

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Cyclohexylacetylene (C6H11C≡CH) — chemical structure, CAS 931-48-6; Chemistry, fine chemical supplied by Tech Serve Solutions

AlkynesBuilding BlocksChemical SynthesisOrganic Building BlocksTerminal

01 /Applications

Organic Synthesis Intermediate

Cyclohexylacetylene is utilised as a versatile intermediate in the synthesis of more complex organic molecules. Its terminal alkyne functionality allows for a variety of chemical transformations, including cycloadditions and coupling reactions.

Research and Development

This compound is frequently used in research laboratories for exploring new synthetic methodologies and preparing novel compounds with potential applications in materials science or medicinal chemistry.

Preparation of Organometallic Complexes

Cyclohexylacetylene has been employed in the preparation of specific organometallic complexes, such as certain osmium-containing compounds, facilitating studies in inorganic and organometallic chemistry.

02 /Properties

Molecular weight	108.18
Linear formula	C6H11C≡CH
Assay	98%
Boiling point	130-132 °C(lit.)
Density	0.828 g/mL at 25 °C(lit.)
Refractive index	n20/D 1.4540(lit.)
Application	Cyclohexylacetylene (Ethynylcyclohexane) was used in the preparation of [Os[(E)-CH=CHR](=C=C=CPh2)(CH3CN)2(P(i)Pr3)2]BF4 (R = Ph, Cy)1.

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	18 °C / 64.4 °F
Transport (UN / ADR)	UN 3295BF 3 / PGII
Water hazard class (WGK, DE)	3
Hazard codes (EU)	F
Risk statements (R)	11
Safety statements (S)	16

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

04 /Identifiers & registry

CAS number

931-48-6

MDL number

MFCD00001513

PubChem substance

24847889

Beilstein registry

1815535

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 Cyclohexylacetylene used for?

Cyclohexylacetylene is primarily used as a building block in organic synthesis and in research and development for preparing novel organic molecules and organometallic complexes.

What is the CAS number and formula for Cyclohexylacetylene?

The CAS number for Cyclohexylacetylene is 931-48-6, and its linear formula is C 6 11 C≡CH.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies Cyclohexylacetylene with a purity of 98%. We do not represent this product as USP, BP, EP or any other pharmacopoeia grade.

How should Cyclohexylacetylene be handled safely?

Cyclohexylacetylene is a flammable liquid (Flash Point 18 0 C). Handle with care, keeping it away from ignition sources. Use appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, as indicated by its GHS02 hazard symbol and Danger signal word.