1,3,5-Triethynylbenzene
1,3,5-Triethynylbenzene (CAS 7567-63-7) is a valuable organic compound with the molecular formula C12H6 and a molecular weight of 150.18 g/mol. It is characterised by its three terminal ethynyl groups attached to a central benzene ring. This structure makes it a versatile building block in organic synthesis, particularly for constructing complex molecular architectures and polymeric materials. It is supplied by Tech Serve Solutions at 97% purity.
- Synonyms
- 7567-63-7

Organic Synthesis Building Block
1,3,5-Triethynylbenzene serves as a key intermediate in the synthesis of advanced organic materials. Its trifunctional nature allows for extensive cross-coupling reactions, facilitating the creation of conjugated polymers and dendrimers.
Materials Science Research
This compound is utilised in materials science for developing novel carbon-rich materials with unique electronic and optical properties. It is employed in the design of porous organic frameworks and metal-organic frameworks (MOFs).
Supramolecular Chemistry
The rigid structure and reactive ethynyl groups make 1,3,5-Triethynylbenzene suitable for constructing elaborate supramolecular assemblies and host-guest systems through covalent or non-covalent interactions.
| Molecular weight | 150.18 |
|---|---|
| Empirical formula | C12H6 |
| Assay | 97% |
| Melting point | 86-91 °C (decomposition) |

Hazard statements
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36 |
| Safety statements (S) | 26 |
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 1,3,5-Triethynylbenzene used for?
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1,3,5-Triethynylbenzene is primarily used as a versatile building block in organic synthesis and materials science research for creating complex organic molecules, conjugated polymers, dendrimers, and porous materials.
What are the CAS number and molecular formula for 1,3,5-Triethynylbenzene?
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The CAS number for 1,3,5-Triethynylbenzene is 7567-63-7, and its molecular formula is C12H6.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,3,5-Triethynylbenzene at a purity of 97%. TSS does not represent this product as USP, BP, or EP grade.
What are the safety and handling precautions for 1,3,5-Triethynylbenzene?
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1,3,5-Triethynylbenzene is classified as a Warning with hazard statement H319, indicating it causes serious eye irritation. Handle with appropriate personal protective equipment, especially eye protection, and ensure good ventilation. Avoid contact with eyes.
Is 1,3,5-Triethynylbenzene a controlled substance?
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The provided data does not indicate that 1,3,5-Triethynylbenzene is a controlled substance.
How is 1,3,5-Triethynylbenzene packed and shipped?
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1,3,5-Triethynylbenzene is carefully packed for secure transit and exported globally by Tech Serve Solutions in compliance with international shipping regulations for chemical compounds.
How can I request a quote or sample?
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To request a quote or a sample of 1,3,5-Triethynylbenzene, please contact the Tech Serve Solutions sales team through our website or by phone.
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