Hexamethyldewarbenzene
Hexamethyldewarbenzene (CAS 7641-77-2), a unique bicyclic arene with the formula C12H18, presents as a clear, colourless liquid. Possessing a molecular weight of 162.27 g/mol, it is primarily utilised as an organic building block in chemical synthesis and research applications. Its distinct structure offers interesting reactivity for advanced chemical transformations. Hexamethyldewarbenzene is available from Tech Serve Solutions with an assay of 97%.
- IUPAC
- 1,2,3,4,5,6-Hexamethylbicyclo[2.2.0]hexa-2,5-diene
- Synonyms
- 1,2,3,4,5,6-Hexamethylbicyclo[2.2.0]hexa-2,5-diene

Organic Synthesis
Hexamethyldewarbenzene serves as a valuable precursor in organic synthesis, offering a unique bicyclic framework for constructing complex molecules. Its reactivity is exploited in the development of novel compounds and materials.
Research and Development
This compound is employed in research laboratories for exploring new reaction pathways and understanding strained ring systems. Its availability supports academic and industrial R&D efforts in organic chemistry.
Specialty Chemical Intermediate
As a specialty chemical intermediate, Hexamethyldewarbenzene is used in niche applications requiring its specific structural properties. It acts as a building block for fine chemicals and advanced materials.
| Molecular weight | 162.27 |
|---|---|
| Empirical formula | C12H18 |
| Assay | 97% |
| Boiling point | 60 °C/20 mmHg(lit.) |
| Density | 0.803 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.448(lit.) |
| Storage temperature | 2-8°C |
| Melting point | 7 °C(lit.) |

Hazard statements
- H226Flammable liquid and vapour
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 35 °C / 95 °F |
| Transport (UN / ADR) | UN 3295C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Risk statements (R) | 10 |
| Safety statements (S) | 16-33-36/37/39 |
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 Hexamethyldewarbenzene used for?
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Hexamethyldewarbenzene is used as an organic building block in chemical synthesis and for research and development purposes in laboratories.
What is the CAS number and formula for Hexamethyldewarbenzene?
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The CAS number for Hexamethyldewarbenzene is 7641-77-2, and its molecular formula is C12H18.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Hexamethyldewarbenzene with an assay of 97%. This product is not represented as USP, BP, or EP grade.
How should Hexamethyldewarbenzene be handled?
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Hexamethyldewarbenzene is a flammable liquid and vapour (H226) requiring careful handling. Recommended personal protective equipment includes eyeshields, faceshields, and appropriate respirator filters (e.g., type ABEK). Store in a well-ventilated area, away from ignition sources, at 2-8°C.
Is Hexamethyldewarbenzene a controlled substance?
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The provided data does not indicate that Hexamethyldewarbenzene is a controlled substance.
How is Hexamethyldewarbenzene shipped and exported?
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Hexamethyldewarbenzene is classified under UN 3295C, Packing Group III. Tech Serve Solutions expertly handles the packaging, shipping, and export of this chemical in compliance with international regulations.
How can I request a quote or sample?
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To request a quote or sample of Hexamethyldewarbenzene, please contact our sales team through the TSS website or direct email.
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