3,4-Epoxy-1-cyclohexene
3,4-Epoxy-1-cyclohexene (CAS 6705-51-7) is a cyclic epoxide with the molecular formula C6H8O and a molecular weight of 96.13 g/mol. This compound is a versatile building block in organic synthesis, primarily utilised for introducing epoxy functionalities into more complex molecules. Its reactivity makes it valuable in chemical research and the development of novel organic compounds.
- IUPAC
- 7-Oxabicyclo[4.1.0]hept-2-ene
- Synonyms
- 7-Oxabicyclo[4.1.0]hept-2-ene

Organic Synthesis Intermediate
Utilised as a reactive intermediate in the synthesis of diverse organic molecules. Its epoxide ring readily undergoes ring-opening reactions, enabling the formation of new carbon-heteroatom bonds.
Epoxy Group Introduction
Serves as a precursor for introducing epoxy groups into polymer backbones or small molecules. This functionality can be further modified or exploited for cross-linking applications.
Research and Development
Employed in academic and industrial research laboratories for exploring new synthetic pathways and developing novel chemical entities. Its structure offers a reactive platform for various chemical transformations.
| Molecular weight | 96.13 |
|---|---|
| Empirical formula | C6H8O |
| Assay | ≥96.0% (GC)≥96.0% |
| Storage temperature | −20°C |


Hazard statements
- H226Flammable liquid and vapour
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- 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 | 30 °C / 86 °F |
| Transport (UN / ADR) | UN 1993C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 10-36-43 |
| Safety statements (S) | 26-36/37 |
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 3,4-Epoxy-1-cyclohexene used for?
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3,4-Epoxy-1-cyclohexene is primarily used as a reactive intermediate in organic synthesis for introducing epoxy functionalities into more complex molecules and for general chemical research and development.
What is the CAS number and formula for 3,4-Epoxy-1-cyclohexene?
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The CAS number is 6705-51-7 and the empirical formula (Hill Notation) is C6H8O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,4-Epoxy-1-cyclohexene with an assay of ≥96.0% (GC). TSS does not represent this product as USP, BP, or EP grade.
How should 3,4-Epoxy-1-cyclohexene be handled safely?
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3,4-Epoxy-1-cyclohexene is a flammable liquid and vapour (H226) and may cause an allergic skin reaction (H317) and serious eye irritation (H319). Handle with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, in a well-ventilated area. Store at -20°C.
Is 3,4-Epoxy-1-cyclohexene a controlled substance?
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Based on the provided data, 3,4-Epoxy-1-cyclohexene is not listed as a controlled substance.
How is 3,4-Epoxy-1-cyclohexene packed and exported by TSS?
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3,4-Epoxy-1-cyclohexene is packed and shipped according to UN 1993 C3 / PGIII regulations, suitable for global export.
How can I request a quote or sample for 3,4-Epoxy-1-cyclohexene?
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Please contact our sales department via the website or by phone to request a quotation or a sample of 3,4-Epoxy-1-cyclohexene.
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