1,3-Cyclohexadiene
1,3-Cyclohexadiene (CAS: 592-57-4), a cyclic organic compound with the molecular formula C6H8, is supplied by TSS with a purity of 97%. This alkene serves as a valuable building block in organic synthesis and chemical research. Its reactive nature allows for various chemical transformations, making it a key intermediate in the development of more complex molecules. It is a volatile liquid requiring careful handling and storage.
- IUPAC
- 1,2-Dihydrobenzene
- Synonyms
- C6H81,2-Dihydrobenzene

Organic Synthesis
1,3-Cyclohexadiene is utilised as a fundamental building block in organic synthesis. Its conjugated diene system readily participates in cycloaddition reactions, such as the Diels-Alder reaction, for the construction of cyclic frameworks.
Chemical Research
This compound is employed in academic and industrial research laboratories for exploring novel reaction pathways and developing new synthetic methodologies. It is a useful reagent for studying the reactivity of conjugated dienes.
Intermediate in Specialty Chemicals
1,3-Cyclohexadiene can serve as an intermediate in the synthesis of various specialty chemicals. Its structure allows for functionalisation and further modification to create target molecules with specific properties.
| Molecular weight | 80.13 |
|---|---|
| Empirical formula | C6H8 |
| Assay | 97% |
| Boiling point | 80 °C(lit.) |
| Density | 0.841 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.474(lit.) |
| Storage temperature | 2-8°C |
| Contains / stabiliser | 0.05% BHT as inhibitor |

Hazard statements
- H225Highly flammable liquid and vapour
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | -8 °C / 17.6 °F |
| Transport (UN / ADR) | UN 3295BE 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F |
| Risk statements (R) | 11 |
| Safety statements (S) | 9-16-29-33 |
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-Cyclohexadiene used for?
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1,3-Cyclohexadiene is primarily used as a building block in organic synthesis and in chemical research for developing new synthetic methodologies and exploring reaction pathways. It acts as an intermediate for specialty chemicals.
What are the CAS number and formula for 1,3-Cyclohexadiene?
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The CAS number for 1,3-Cyclohexadiene is 592-57-4 and its empirical formula (Hill Notation) is C6H8.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,3-Cyclohexadiene with an assay of 97%. We do not represent this product as USP, BP, EP or any other pharmacopoeia grade.
How should 1,3-Cyclohexadiene be handled safely?
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1,3-Cyclohexadiene is a highly flammable liquid (Flash Point: -8 °C) and vapour, and it may cause drowsiness or dizziness. Handle in a well-ventilated area away from ignition sources, using appropriate personal protective equipment including eyeshields, gloves, and a suitable respirator. Store at 2-8°C.
Is 1,3-Cyclohexadiene shipped internationally?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 1,3-Cyclohexadiene, and can arrange international shipments.
How can I request a quote or sample for 1,3-Cyclohexadiene?
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To request a quote or sample for 1,3-Cyclohexadiene, please contact our sales department via the website or by phone.
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