5-Ethylidene-2-norbornene
5-Ethylidene-2-norbornene (CAS: 16219-75-3), with the molecular formula C9H12 and a molecular weight of 120.19 g/mol, is an organic compound utilised in materials science. It functions as a building block and monomer in polymer science, notably employed as a self-healing agent for polymeric composites. Its acyclic alkene structure makes it valuable for chemical synthesis.
Self-Healing Polymeric Composites
5-Ethylidene-2-norbornene has been documented for its use as a self-healing agent in polymeric composite materials. This application leverages its chemical structure to impart repair capabilities to advanced materials.
Monomer in Polymer Synthesis
As a norbornene monomer, this compound is suitable for polymerization reactions. It can be incorporated into polymer chains, contributing to the development of novel materials with specific properties.
Organic Synthesis Building Block
The reactive alkene functionalities within 5-Ethylidene-2-norbornene make it a versatile building block in organic synthesis. It can be used in various chemical transformations for creating more complex molecules.
| Molecular weight | 120.19 |
|---|---|
| Empirical formula | C9H12 |
| Assay | 99% |
| Boiling point | 146 °C(lit.) |
| Density | 0.893 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.49(lit.) |
| Vapour pressure | 4.6 mmHg (20 °C) |
| Vapour density | 4.1 (vs air) |
| Contains / stabiliser | 100-200 ppm BHT as inhibitor |
| Application | 5-Ethylidene-2-norbornene was used as self-healing agent for polymeric composites1. |
Hazard statements
- H226Flammable liquid and vapour
- H304May be fatal if swallowed and enters airways
- H315Causes skin irritation
- H332Harmful if inhaled
- H373May cause damage to organs through prolonged exposure
- H411Toxic to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
- P301IF SWALLOWED
- P331Do NOT induce vomiting
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 28 °C / 82.4 °F |
| Transport (UN / ADR) | UN 2929 6.1/PG 2 |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 10-20-38-43-48/20-51/53-65 |
| Safety statements (S) | 61-62 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Expl Lim | ~6.4 % |
|---|
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-Ethylidene-2-norbornene used for?
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5-Ethylidene-2-norbornene is primarily used as a self-healing agent for polymeric composites and as a monomer or building block in polymer science and organic synthesis.
What is the CAS number and chemical formula for 5-Ethylidene-2-norbornene?
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The CAS number is 16219-75-3 and the chemical formula is C9H12.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Ethylidene-2-norbornene with a minimum assay of 99%. We do not represent this product as USP, BP, or EP grade.
How should 5-Ethylidene-2-norbornene be handled safely?
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5-Ethylidene-2-norbornene is a flammable liquid and vapour (H226). It can be harmful if swallowed and enters airways (H304), causes skin irritation (H315), is harmful if inhaled (H332), may cause damage to organs through prolonged or repeated exposure (H373), and is toxic to aquatic life with long-lasting effects (H411). Handle with appropriate personal protective equipment, including safety glasses, gloves, and respiratory protection, in a well-ventilated area. Avoid release to the environment. Consult the Safety Data Sheet for full details.
How is 5-Ethylidene-2-norbornene typically packed and shipped?
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5-Ethylidene-2-norbornene is packed and shipped in accordance with international regulations for hazardous materials. We export globally.
How can I request a quote or sample for 5-Ethylidene-2-norbornene?
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To request a quote or sample, please use the contact form on our website or call our sales department. Please specify the quantity required.
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