5-Norbornene-2-endo,3-exo-dicarboxylic acid
5-Norbornene-2-endo,3-exo-dicarboxylic acid (CAS: 1200-88-0), with a molecular weight of 182.17 g/mol, is a valuable alicyclic monomer. Its unique bicyclic structure and dicarboxylic acid functionality make it suitable for polymerisation and materials science applications. It serves as a key building block in the synthesis of advanced polymers, particularly where etch resistance and specific thermal properties are desired. Available from Tech Serve Solutions.
- IUPAC
- NDC
- Synonyms
- 5-Norbornene-2-endo,3-exo-dicarboxylic acid

Polymer Synthesis
Used as a monomer in the synthesis of speciality polymers, contributing to improved thermal stability and etch resistance in the resulting materials.
Materials Science
Incorporated into polymer architectures for applications requiring high performance, such as in microelectronics and advanced coatings.
Lithography
Serves as a component in photolithography formulations, leveraging its properties for creating precise patterns in microelectronic fabrication.
Research and Development
Employed in academic and industrial research for the development of novel materials and chemical processes due to its reactive functional groups.
| Molecular weight | 182.17 |
|---|---|
| Empirical formula | C9H10O4 |
| Assay | 97% |
| Melting point | 185-189 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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-Norbornene-2-endo,3-exo-dicarboxylic acid used for?
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This compound is primarily used as a monomer in polymer synthesis and in materials science, particularly for applications in lithography and microelectronics where etch resistance and thermal properties are important. It is also used in research and development.
What are the CAS number and molecular formula?
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The CAS number is 1200-88-0 and the molecular formula (Hill notation) is C9H10O4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Norbornene-2-endo,3-exo-dicarboxylic acid with an assay of 97%. This is a technical grade, and TSS does not represent it as USP, BP, EP, or any other pharmacopoeia grade.
How should 5-Norbornene-2-endo,3-exo-dicarboxylic acid be handled?
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This compound is classified as a Warning. It may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Always use appropriate personal protective equipment, including a dust mask type N95, eyeshields, and gloves. Ensure adequate ventilation and avoid breathing dust. In case of eye contact, rinse cautiously with water for several minutes and seek medical advice.
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions offers 5-Norbornene-2-endo,3-exo-dicarboxylic acid in various pack sizes suitable for laboratory and industrial use. We are experienced global exporters adhering to all necessary regulations for safe and compliant international shipment.
How can I request a sample or a quote?
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To request a sample or a quotation for 5-Norbornene-2-endo,3-exo-dicarboxylic acid, please contact our sales department via the website or email, providing your contact details and the quantity required.
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