1-Heptyne
1-Heptyne (CAS: 628-71-7), a terminal alkyne with the formula CH3(CH2)4C≡CH and a molecular weight of 96.17 g/mol, is a fundamental organic building block. It serves as a key intermediate in various chemical syntheses, particularly in the preparation of complex organic molecules. Its reactive triple bond allows for diverse chemical transformations, making it valuable for research and development in organic chemistry.
Synthesis of Unsaturated Fatty Acids
1-Heptyne has been employed in the synthesis of biologically relevant unsaturated fatty acids, such as (6Z,10E,12Z)-octadeca-6,10,12-trienoic acid and (8Z,12E,14Z)-eicosa-8,12,14-trienoic acid. These compounds are important in biochemical research.
Organic Synthesis Intermediate
As a terminal alkyne, 1-Heptyne is a versatile reagent in organic synthesis. It can participate in reactions like hydroboration, hydrogenation, and coupling reactions to build more complex carbon structures.
Building Block for Complex Molecules
The molecule's structure makes it a useful starting material or intermediate for constructing larger, functionalised organic molecules. This is crucial in the development of novel chemical entities for various industrial applications.
| Molecular weight | 96.17 |
|---|---|
| Linear formula | CH3(CH2)4C≡CH |
| Assay | 98% |
| Boiling point | 99-100 °C(lit.) |
| Density | 0.733 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.408(lit.) |
| Vapour pressure | 93.1 mmHg (37.7 °C) |
| Melting point | −81 °C(lit.) |
| Application | 1-Heptyne was used in the synthesis of (6Z,10E,12Z)-octadeca-6,10,12-trienoic acid and (8Z,12E,14Z)-eicosa-8,12,14-trienoic acid1. |
Hazard statements
- H225Highly flammable liquid and vapour
- H304May be fatal if swallowed and enters airways
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- 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 | -2 °C / 28.4 °F |
| Transport (UN / ADR) | UN 3295BF 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,Xn |
| Risk statements (R) | 11-36/37/38-65 |
| Safety statements (S) | 16-26-36-62 |
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 1-Heptyne used for?
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1-Heptyne is used as a building block and intermediate in organic synthesis, notably in the preparation of complex unsaturated fatty acids and other organic molecules.
What are the CAS number and formula for 1-Heptyne?
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The CAS number for 1-Heptyne is 628-71-7, and its linear formula is CH3(CH2)4C≡CH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Heptyne with an assay of 98%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 1-Heptyne be handled safely?
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1-Heptyne is highly flammable (flash point -2 °C) and can cause skin irritation, serious eye irritation, and respiratory irritation. It may also be fatal if swallowed and enters airways. Handle in a well-ventilated area, away from ignition sources, and wear appropriate personal protective equipment including eyeshields and gloves.
Is 1-Heptyne a controlled substance?
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The provided data does not indicate that 1-Heptyne is a controlled substance.
How is 1-Heptyne shipped and exported?
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1-Heptyne is classified under UN 3295 BF 3 / PG II for transport. Tech Serve Solutions, as a global supplier, can arrange for its export according to international regulations.
How can I request a quote or sample of 1-Heptyne?
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To request a quote or sample of 1-Heptyne, please contact the Tech Serve Solutions sales team through our website or by phone.
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