1,8-Nonadiyne
1,8-Nonadiyne (CAS: 2396-65-8) is a terminal alkyne with the linear formula HC≡C(CH2)5C≡CH and a molecular weight of 120.19 g/mol. This organic compound functions as a valuable building block in chemical synthesis. It is primarily utilised as a starting reagent in the preparation of various long-chain diynoic acids, demonstrating its utility in organic synthesis and material science research.
- Synonyms
- HC≡C(CH2)5C≡CH
Synthesis of Diynoic Acids
1,8-Nonadiyne serves as a key starting material for synthesising specific diynoic acids, including 2,6-hexadecadiynoic acid, 2,6-nonadecadiynoic acid, and 2,9-hexadecadiynoic acid. This highlights its role in constructing complex organic molecules with defined chain lengths and functional groups.
Organic Building Block
As a difunctional organic molecule, 1,8-Nonadiyne is a versatile building block in organic synthesis. Its terminal alkyne groups allow for a range of chemical transformations, facilitating the construction of more complex molecular architectures.
Research and Development
This compound is employed in research laboratories for the exploration of new synthetic routes and the development of novel materials. Its predictable reactivity makes it a reliable component in academic and industrial R&D projects.
| Molecular weight | 120.19 |
|---|---|
| Linear formula | HC≡C(CH2)5C≡CH |
| Assay | 98% |
| Boiling point | 55-55.5 °C/13 mmHg(lit.) |
| Density | 0.799 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.449(lit.) |
| Storage temperature | 2-8°C |
| Melting point | −21 °C(lit.) |
| Application | 1,8-Nonadiyne was used as starting reagent in the synthesis of 2,6-hexadecadiynoic acid, 2,6-nonadecadiynoic acid and 2,9-hexadecadiynoic acid1. |
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 | 42 °C / 107.6 °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) | 16-26-36/37/39 |
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 1,8-Nonadiyne used for?
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1,8-Nonadiyne is primarily used as a starting reagent in the synthesis of various diynoic acids, such as 2,6-hexadecadiynoic acid, 2,6-nonadecadiynoic acid, and 2,9-hexadecadiynoic acid, and serves as a general building block in organic synthesis.
What are the CAS number and formula for 1,8-Nonadiyne?
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The CAS number for 1,8-Nonadiyne is 2396-65-8, and its linear formula is HC≡C(CH2)5C≡CH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,8-Nonadiyne with an assay of 98%. We do not represent this product as USP, BP, EP, or other pharmacopoeia grades.
What are the primary safety concerns when handling 1,8-Nonadiyne?
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1,8-Nonadiyne is a flammable liquid and vapour (H226) and can cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection, is essential. Ensure adequate ventilation and keep away from heat and ignition sources.
How is 1,8-Nonadiyne packed, shipped, and exported?
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1,8-Nonadiyne is carefully packed according to international shipping regulations for hazardous materials, including UN 3295C 3 / PGIII classification. TSS exports globally to qualified research and industrial clients.
How can I request a quote or sample of 1,8-Nonadiyne?
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To request a quote or a sample of 1,8-Nonadiyne, please contact our sales department through the website or by phone, providing your specific requirements.
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