5-Norbornen-2-yl acetate, mixture of endo and exo
5-Norbornen-2-yl acetate, a mixture of endo and exo isomers (CAS: 6143-29-9), is an organic ester with the molecular formula C9H12O2 and a molecular weight of 152.19 g/mol. This compound serves as a valuable building block in chemical synthesis. It has been utilised in studies concerning the ring-opening metathesis polymerisation of norbornene, catalysed by specific dinuclear osmium complexes.
- Synonyms
- C9H12O22-Norbornyl acetate, mixture of endo and exobicyclo[2.2.1]hept-5-en-2-yl acetate, mixture of endo and exo

Polymerisation Studies
5-Norbornen-2-yl acetate has been employed in research investigating the ring-opening metathesis polymerisation of norbornene. These studies often utilise dinuclear osmium complexes as catalysts to explore polymer properties and synthesis pathways.
Organic Synthesis Intermediate
As an ester and a cyclic olefin derivative, this compound functions as a versatile intermediate in organic synthesis. Its structure allows for various chemical transformations, contributing to the construction of more complex molecules.
Building Block for Fine Chemicals
This chemical acts as a fundamental building block within the broader field of fine chemical production. Its specific structural features are leveraged in multi-step syntheses for specialised applications.
| Molecular weight | 152.19 |
|---|---|
| Empirical formula | C9H12O2 |
| Assay | 98% |
| Boiling point | 73-76 °C/14 mmHg(lit.) |
| Density | 1.044 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.47(lit.) |
| Application | 5-Norbornen-2-yl acetate (mixture of endo and exo) was used to study the ring opening metathesis polymerization of norbornene catalysed by dinuclear complex Cp*2Os2Br4 (Cp*=pentamethylcyclopentadienyl) and related compounds1. |
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 62 °C / 143.6 °F |
| Water hazard class (WGK, DE) | 3 |
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 5-Norbornen-2-yl acetate used for?
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5-Norbornen-2-yl acetate is used as a building block in chemical synthesis and has been utilised in studies of ring-opening metathesis polymerisation of norbornene.
What is the CAS number and molecular formula for 5-Norbornen-2-yl acetate?
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The CAS number is 6143-29-9, and the molecular formula is C9H12O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Norbornen-2-yl acetate with a minimum assay of 98%. This product is not represented as USP, BP, EP, or any other pharmacopoeia grade.
What are the safety considerations when handling 5-Norbornen-2-yl acetate?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves. Depending on the application, a full-face or type ABEK respirator may be necessary. The flash point is 62 °C (143.6 °F).
How is 5-Norbornen-2-yl acetate typically packed and shipped?
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Tech Serve Solutions professionally packs and exports chemicals globally, adhering to all relevant shipping regulations to ensure safe transit.
How can I request a quote or sample for 5-Norbornen-2-yl acetate?
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Please contact our sales team directly via phone or email to request a quotation or to arrange for a product sample.
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