2-Ethynyl-α,α,α-trifluorotoluene
2-Ethynyl-α,α,α-trifluorotoluene (CAS: 704-41-6) is a fluorinated aromatic alkynyl compound with a molecular weight of 170.13 g/mol. Its structure features an ethynyl group and a trifluoromethyl group attached to a toluene ring. This chemical serves as a versatile building block in organic synthesis, particularly in the development of complex organic molecules and pharmaceutical intermediates. It is supplied by TSS with an assay of 97%.
- IUPAC
- 1-Ethynyl-2-trifluoromethylbenzene
- Synonyms
- 704-41-6HC≡CC6H4CF31-Ethynyl-2-trifluoromethylbenzene

Organic Synthesis Intermediate
Utilised as a key building block in the construction of more complex organic molecules. Its reactive ethynyl and trifluoromethyl functionalities allow for diverse synthetic transformations.
Pharmaceutical Research
A valuable intermediate in the synthesis of novel pharmaceutical compounds and drug discovery efforts. The trifluoromethyl group often imparts desirable pharmacokinetic properties.
Materials Science
Can be employed in the development of advanced materials where specific electronic or physical properties are required, stemming from its unique structural features.
| Molecular weight | 170.13 |
|---|---|
| Linear formula | HC≡CC6H4CF3 |
| Assay | 97% |
| Boiling point | 45 °C/8 mmHg(lit.) |
| Density | 1.222 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.4760(lit.) |

Hazard statements
- H226Flammable liquid and vapour
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 25 °C / 77 °F |
| Transport (UN / ADR) | UN 1993C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Risk statements (R) | 10 |
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 2-Ethynyl-α,α,α-trifluorotoluene used for?
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This compound is primarily used as a building block in organic synthesis and in pharmaceutical research for the development of new drug candidates and complex organic molecules.
What is the CAS number and molecular formula?
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The CAS number for 2-Ethynyl-α,α,α-trifluorotoluene is 704-41-6. The linear formula is HC≡CC<sub>6</sub>H<sub>4</sub>CF<sub>3</sub>.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Ethynyl-α,α,α-trifluorotoluene with an assay of 97%. TSS does not represent this product as USP, BP, or EP grade.
What are the safety and handling precautions?
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2-Ethynyl-α,α,α-trifluorotoluene is classified as flammable (H226). Handle with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator. Ensure adequate ventilation and keep away from ignition sources.
How is this chemical shipped and exported?
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This chemical is shipped and exported according to international regulations, identified as UN 1993, Class 3, Packing Group III. We adhere to all safety and transport guidelines for global distribution.
How can I request a quote or sample?
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To request a quote or a sample, please contact our sales department through the website or by phone. Our team will assist you promptly with your inquiry.
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