2,2,7,7-Tetramethyl-3,5-octadiyne
2,2,7,7-Tetramethyl-3,5-octadiyne (CAS 6130-98-9) is an organic compound with the molecular formula C12H22. It features a symmetrical structure with two terminal tert-butyl groups flanking a conjugated diyne system. This unique alkyne building block is valuable in organic synthesis, particularly for constructing complex molecular architectures and in materials science research. Tech Serve Solutions offers this chemical for your synthesis needs.
- Synonyms
- 7-Tetramethyl-3,5-octadiyne, (CH3)3CC≡CC≡CC(CH3)3

Organic Synthesis Building Block
2,2,7,7-Tetramethyl-3,5-octadiyne serves as a versatile building block in organic chemistry. Its internal diyne functionality allows for participation in various coupling reactions and cycloadditions for the synthesis of complex organic molecules.
Materials Science Research
The rigid, linear structure of the conjugated diyne system makes this compound of interest in materials science. It can be incorporated into polymers or other advanced materials to impart specific electronic or structural properties.
Research and Development
Utilised in academic and industrial research laboratories for exploring novel chemical transformations and developing new synthetic methodologies. Its symmetrical nature can simplify reaction outcomes in certain contexts.
| Molecular weight | 162.27 |
|---|---|
| Linear formula | (CH3)3CC≡CC≡CC(CH3)3 |
| Assay | 99% |
| Melting point | 130-132 °C(lit.) |

Hazard statements
- 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 | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-37/39 |
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 2,2,7,7-Tetramethyl-3,5-octadiyne used for?
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2,2,7,7-Tetramethyl-3,5-octadiyne is primarily used as a building block in organic synthesis and in materials science research. Its diyne structure enables its use in various chemical transformations for creating complex molecules and advanced materials.
What are the CAS number and molecular formula for 2,2,7,7-Tetramethyl-3,5-octadiyne?
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The CAS number for 2,2,7,7-Tetramethyl-3,5-octadiyne is 6130-98-9, and its molecular formula is C12H22.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,2,7,7-Tetramethyl-3,5-octadiyne with a purity of 99%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 2,2,7,7-Tetramethyl-3,5-octadiyne be handled?
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Based on GHS classifications, 2,2,7,7-Tetramethyl-3,5-octadiyne is a Warning substance, identified with hazard statements H315 (causes skin irritation), H319 (causes serious eye irritation), and H335 (may cause respiratory irritation). Appropriate personal protective equipment includes a dust mask type N95 (US), eyeshields, and gloves. Ensure adequate ventilation.
How is 2,2,7,7-Tetramethyl-3,5-octadiyne shipped and exported?
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Tech Serve Solutions, a specialist global supplier and exporter, packs and ships chemicals in accordance with international regulations for safe transport and export.
How can I request a quote or sample?
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Please contact our sales team directly through the TSS website to request a quote or a sample of 2,2,7,7-Tetramethyl-3,5-octadiyne.
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