cis-4,7-Dihydro-1,3-dioxepin
cis-4,7-Dihydro-1,3-dioxepin (CAS: 5417-32-3), with the molecular formula C5H8O2 and a molecular weight of 100.12 g/mol, is a heterocyclic organic compound. This chemical functions as a versatile building block in organic synthesis. It is particularly useful in the preparation of more complex molecules, often employed in research and development settings for chemical synthesis and the creation of novel heterocyclic structures. Its properties make it a valuable reagent for chemists.
- IUPAC
- cis-1,3-Dioxep-5-ene
- Synonyms
- 5417-32-3cis-1,3-Dioxep-5-ene

Organic Synthesis Intermediate
cis-4,7-Dihydro-1,3-dioxepin serves as a key intermediate in the synthesis of diverse organic compounds. Its structure allows for various chemical transformations, facilitating the construction of complex molecular architectures.
Heterocyclic Chemistry
This compound is a valuable building block in heterocyclic chemistry. It enables the introduction of a specific cyclic ether moiety into target molecules, contributing to the development of novel heterocyclic systems.
Research and Development
Utilised in R&D laboratories, cis-4,7-Dihydro-1,3-dioxepin aids in the exploration of new synthetic pathways and the development of innovative chemical entities. Its reactivity profile supports a range of research applications.
| Molecular weight | 100.12 |
|---|---|
| Empirical formula | C5H8O2 |
| Assay | 97% |
| Boiling point | 125-127 °C(lit.) |
| Density | 1.049 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.457(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 | 26 °C / 78.8 °F |
| Transport (UN / ADR) | UN 1993C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Risk statements (R) | 10 |
| Safety statements (S) | 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 cis-4,7-Dihydro-1,3-dioxepin used for?
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cis-4,7-Dihydro-1,3-dioxepin is primarily used as a building block in organic synthesis and heterocyclic chemistry for research and development purposes.
What is the CAS number and formula for cis-4,7-Dihydro-1,3-dioxepin?
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The CAS number for cis-4,7-Dihydro-1,3-dioxepin is 5417-32-3, and its empirical formula is C5H8O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies cis-4,7-Dihydro-1,3-dioxepin with an assay of 97%. This product is intended for laboratory and research use and is not represented as USP, BP, or EP grade.
How should cis-4,7-Dihydro-1,3-dioxepin be handled?
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cis-4,7-Dihydro-1,3-dioxepin is a flammable liquid (H226) requiring careful handling. Recommended personal protective equipment includes eyeshields, faceshields, and appropriate respirator filters. Store away from ignition sources in a well-ventilated area.
How is cis-4,7-Dihydro-1,3-dioxepin packed and shipped?
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This chemical is packed and shipped in compliance with relevant transportation regulations, including UN 1993 classification for flammable liquids. TSS is a global supplier and exporter.
How can I request a sample or quote for cis-4,7-Dihydro-1,3-dioxepin?
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To request a sample or quote for cis-4,7-Dihydro-1,3-dioxepin, please contact our sales department through the TSS website or via direct inquiry, providing your contact details and requirements.
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