4-Ethynyltoluene
4-Ethynyltoluene (CAS 766-97-2), with the molecular formula CH₃C₆H₄C≡CH and a molecular weight of 116.16 g/mol, is an organic compound belonging to the alkyne family. It serves as a valuable building block in organic synthesis. Its primary application lies in its use in the cycloaddition reactions of alkynes for creating complex bis(bicyclic) molecular structures, contributing to advancements in chemical research and development.
- IUPAC
- 1-Ethynyl-4-methylbenzene
Organic Synthesis Intermediate
4-Ethynyltoluene acts as a crucial intermediate in the synthesis of complex organic molecules. It is particularly noted for its utility in cycloaddition reactions, enabling the formation of intricate ring systems.
Building Block for Bis(bicyclic) Compounds
This alkyne is employed in the synthesis of specific bis(bicyclic) products through cycloaddition reactions. This application highlights its role in creating advanced molecular architectures for research purposes.
Research Chemical
As a terminal alkyne, 4-Ethynyltoluene is a versatile reagent for academic and industrial research laboratories exploring new synthetic pathways and material science applications.
| Molecular weight | 116.16 |
|---|---|
| Linear formula | CH3C6H4C≡CH |
| Assay | 97% |
| Boiling point | 168-170 °C(lit.) |
| Density | 0.916 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.547(lit.) |
| Application | 4-Ethynyltoluene was used in the synthesis of bis(bicyclic) products by the cycloaddition of alkynes to the AlN2C21. |
Hazard statements
- H226Flammable liquid and vapour
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- 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 | 49 °C / 120.2 °F |
| Transport (UN / ADR) | UN 3295C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 10-36/37/38 |
| Safety statements (S) | 16-26-27-36/37/39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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.
What is 4-Ethynyltoluene used for?
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4-Ethynyltoluene is primarily used as a building block in organic synthesis, particularly in the creation of bis(bicyclic) products through cycloaddition reactions of alkynes. It is also employed in general chemical research.
What is the CAS number and formula for 4-Ethynyltoluene?
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The CAS number for 4-Ethynyltoluene is 766-97-2, and its molecular formula is CH₃C₆H₄C≡CH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Ethynyltoluene with an assay of 97%. This product is supplied for research and development purposes and is not represented as USP, BP, EP, or pharmacopoeia grade.
How should 4-Ethynyltoluene be handled safely?
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4-Ethynyltoluene is a flammable liquid and vapour (H226), and can cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection. Ensure adequate ventilation and keep away from heat and open flames.
Is 4-Ethynyltoluene a controlled substance?
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The provided data does not indicate that 4-Ethynyltoluene is a controlled substance.
How is 4-Ethynyltoluene packed, shipped, and exported?
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4-Ethynyltoluene is packed and shipped according to its UN classification (UN 3295C 3 / PGIII). Tech Serve Solutions is experienced in exporting fine chemicals globally, adhering to all relevant regulations.
How can I request a sample or quote for 4-Ethynyltoluene?
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To request a sample or a quote for 4-Ethynyltoluene, please contact our sales team through the website or by phone, providing your specific requirements.
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