4-Octyne
4-Octyne (CAS: 1942-45-6), with the molecular formula C8H14 and a molar mass of 110.20 g/mol, is an internal alkyne. This electron-rich organic building block is primarily utilised in chemical synthesis for creating more complex molecules, notably serving as a precursor in the preparation of highly substituted 1,3-dienes. Available from Tech Serve Solutions with an assay of 99%.
Synthesis of 1,3-Dienes
4-Octyne serves as a crucial reactant in organic synthesis. It has been employed in the preparation of highly substituted 1,3-dienes, leveraging its internal alkyne functionality for complex molecular construction.
Organic Building Block
As an organic building block, 4-Octyne offers a versatile two-carbon unit with a triple bond, facilitating various chemical transformations. Its symmetrical structure can simplify reaction pathways in multi-step syntheses.
Research and Development
This alkyne is valuable in research laboratories for exploring novel synthetic methodologies and developing new chemical entities. Its defined reactivity makes it suitable for academic and industrial R&D projects.
| Molecular weight | 110.20 |
|---|---|
| Linear formula | CH3CH2CH2C≡CCH2CH2CH3 |
| Assay | 99% |
| Boiling point | 131-132 °C(lit.) |
| Density | 0.751 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.425(lit.) |
| Vapour pressure | 35 mmHg (37.7 °C) |
| Melting point | −103 °C(lit.) |
| Application | 4-Octyne, an electron-rich dialkylacetylene, was used in the synthesis of highly substituted 1,3-dienes1. |
Hazard statements
- H226Flammable liquid and vapour
- H304May be fatal if swallowed and enters airways
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P301IF SWALLOWED
- P305IF IN EYES
- P331Do NOT induce vomiting
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 29 °C / 84.2 °F |
| Transport (UN / ADR) | UN 3295C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 10-36/37/38-65 |
| Safety statements (S) | 26-62 |
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-Octyne used for?
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4-Octyne is used in chemical synthesis, particularly for the preparation of highly substituted 1,3-dienes. It also serves as a versatile organic building block in research and development.
What are the CAS number and molecular formula for 4-Octyne?
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The CAS number for 4-Octyne is 1942-45-6, and its molecular formula is C8H14.
What grade and purity does Tech Serve Solutions supply for 4-Octyne?
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Tech Serve Solutions supplies 4-Octyne with an assay of 99%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 4-Octyne be handled safely?
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4-Octyne is a flammable liquid and vapour (H226) and can cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). It may also be fatal if swallowed and enters airways (H304). Handle with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, in a well-ventilated area.
How is 4-Octyne packed and shipped?
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4-Octyne is classified under UN 3295C, Hazard Class 3, Packing Group III, indicating it is a flammable liquid. It is exported globally by Tech Serve Solutions in compliance with relevant transport regulations.
How can I request a sample or quote for 4-Octyne?
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To request a sample or a quote for 4-Octyne, please contact the Tech Serve Solutions sales team through our website or by phone.
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