1,2-Epoxycycloheptane
1,2-Epoxycycloheptane (CAS: 286-45-3), with the molecular formula C7H12O and a molecular weight of 112.17 g/mol, is a cycloaliphatic epoxide. This compound functions as a versatile building block in organic synthesis. Its epoxide ring is susceptible to nucleophilic attack, enabling its use in the creation of more complex molecular structures. It is commonly employed in chemical synthesis and research laboratories for developing novel compounds and materials.
- IUPAC
- 8-Oxabicyclo[5.1.0]octane,Cycloheptene oxide
- Synonyms
- Cycloheptene oxide8-Oxabicyclo[5.1.0]octane

Organic Synthesis Intermediate
Serves as a key intermediate in the synthesis of various organic compounds. Its epoxide functionality allows for ring-opening reactions with nucleophiles to introduce diverse functional groups.
Epoxide Chemistry Research
Utilised in academic and industrial research settings to explore the reactivity and applications of cycloaliphatic epoxides. Facilitates studies in reaction mechanisms and stereochemistry.
Material Science Precursor
Can be used as a precursor in the development of polymers and specialty materials. The cycloheptane ring offers unique steric and conformational properties to resulting polymers.
| Molecular weight | 112.17 |
|---|---|
| Empirical formula | C7H12O |
| Assay | ≥94.5% (GC)95% |



Hazard statements
- H226Flammable liquid and vapour
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H314Causes severe skin burns and eye damage
- H332Harmful if inhaled
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 30 °C / 86 °F |
| Transport (UN / ADR) | UN 2924 8(3) / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 10-20/21/22-34 |
| Safety statements (S) | 26-36/37/39-45 |
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 1,2-Epoxycycloheptane used for?
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1,2-Epoxycycloheptane is primarily used as a building block in organic synthesis and in chemical research laboratories. It facilitates the creation of more complex organic molecules and is studied for its epoxide reactivity.
What is the CAS number and formula for 1,2-Epoxycycloheptane?
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The CAS number for 1,2-Epoxycycloheptane is 286-45-3, and its molecular formula is C7H12O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,2-Epoxycycloheptane with an assay of ≥94.5% (GC) or 95%. We do not represent this product as meeting pharmacopoeial standards such as USP, BP, or EP.
How should 1,2-Epoxycycloheptane be handled safely?
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1,2-Epoxycycloheptane is a flammable liquid and vapour (H226), harmful if swallowed, in contact with skin, or if inhaled (H302, H312, H332). It causes severe skin burns and eye damage (H314). Handle with appropriate personal protective equipment, including gloves, eye protection, and respiratory protection, in a well-ventilated area. Ensure fire safety precautions are in place.
Is 1,2-Epoxycycloheptane a controlled substance?
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The provided data does not indicate that 1,2-Epoxycycloheptane is a controlled substance.
How is 1,2-Epoxycycloheptane packed, shipped, and exported?
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1,2-Epoxycycloheptane is classified under UN 2924, Hazard Class 8(3), Packing Group III. Shipping and export adhere to strict international regulations for hazardous materials. Packaging is designed to ensure safe transit and containment.
How can I request a quote or sample for 1,2-Epoxycycloheptane?
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To request a quote or sample of 1,2-Epoxycycloheptane, please visit the Tech Serve Solutions website or contact our sales department directly with your inquiry.
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