2-Methyl-1-hexen-3-yne
2-Methyl-1-hexen-3-yne (CAS: 23056-94-2) is an organic compound with the molecular formula C<sub>7</sub>H<sub>10</sub> and a molecular weight of 94.15 g/mol. This alkyne and alkene derivative serves as a versatile building block in organic synthesis. It is characterised by its unique structure featuring both a triple bond and a double bond, enabling diverse chemical transformations. Primarily utilised in chemical synthesis and research, it is a valuable reagent for creating complex organic molecules.

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of more complex organic compounds. Its dual functionality (alkyne and alkene) allows for a range of addition and coupling reactions.
Research and Development
Employed in academic and industrial R&D settings for the exploration of novel chemical pathways and the development of new materials or active pharmaceutical ingredients.
Building Block for Specialty Chemicals
Serves as a fundamental building block for the construction of specialty chemicals and fine chemical products, owing to its reactive functional groups.
| Molecular weight | 94.15 |
|---|---|
| Linear formula | C2H5C≡CC(CH3)=CH2 |
| Assay | 97% |
| Boiling point | 130 °C(lit.) |
| Density | 0.758 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.45(lit.) |

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 | 4 °C / 39.2 °F |
| Transport (UN / ADR) | UN 3295BE 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F |
| Risk statements (R) | 11 |
| Safety statements (S) | 16-33 |
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-Methyl-1-hexen-3-yne used for?
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2-Methyl-1-hexen-3-yne is primarily used as an intermediate in organic synthesis and as a building block in chemical research and development for creating complex organic molecules.
What is the CAS number and molecular formula for 2-Methyl-1-hexen-3-yne?
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The CAS number for 2-Methyl-1-hexen-3-yne is 23056-94-2, and its molecular formula is C<sub>7</sub>H<sub>10</sub>.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Methyl-1-hexen-3-yne with a minimum assay of 97%. This product is not supplied as USP, BP, or EP grade.
How should 2-Methyl-1-hexen-3-yne be handled safely?
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2-Methyl-1-hexen-3-yne is a highly flammable liquid and vapour (H225). Handle with extreme care, using appropriate personal protective equipment including eyeshields, gloves, and respiratory protection, and ensure use in a well-ventilated area away from ignition sources.
How is 2-Methyl-1-hexen-3-yne packed, shipped, and exported?
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2-Methyl-1-hexen-3-yne is packed and shipped according to international regulations for hazardous materials, specifically UN 3295, Class 3, Packing Group II. Tech Serve Solutions has extensive experience in exporting chemicals globally.
How can I request a sample or a quote for 2-Methyl-1-hexen-3-yne?
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To request a sample or obtain a quote, please contact our sales team via the website or by telephone, providing your details and the product CAS number 23056-94-2.
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