cis-5-Norbornene-endo-2,3-dicarboxylic acid
cis-5-Norbornene-endo-2,3-dicarboxylic acid (CAS 3813-52-3), with a molecular formula of C9H10O4 and a molecular weight of 182.17 g/mol, is a key alicyclic monomer. It is recognised for its utility in materials science and micro/nanoelectronics, particularly in applications requiring etch resistance. This compound serves as a valuable building block in polymer science and advanced lithography techniques.
- IUPAC
- NDC
- Synonyms
- C9H10O45-Norbornene-2,3-dicarboxylic acid, endo-

Lithography Monomers
This compound is employed as a monomer in advanced lithography, contributing to the development of materials with specific etch-resistant properties essential for microelectronic fabrication.
Polymer Science
It serves as a monomer for synthesising novel polymers with tailored characteristics, applicable in various advanced material applications within polymer science.
Materials Science
Utilised in materials science for creating polymers with enhanced thermal and mechanical properties, suitable for demanding technological applications.
Micro/Nanoelectronics
Its properties make it a relevant component in the development of materials for micro and nanoelectronic devices, benefiting from its etch resistance.
| Molecular weight | 182.17 |
|---|---|
| Empirical formula | C9H10O4 |
| Assay | 98% |
| Melting point | 175 °C (dec.)(lit.) |

Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H332Harmful if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-36/37/38 |
| Safety statements (S) | 26-37/39 |
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-5-Norbornene-endo-2,3-dicarboxylic acid used for?
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cis-5-Norbornene-endo-2,3-dicarboxylic acid is used as a monomer in lithography, polymer science, materials science, and micro/nanoelectronics, particularly where etch resistance is required.
What are the CAS number and formula for cis-5-Norbornene-endo-2,3-dicarboxylic acid?
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The CAS number is 3813-52-3 and the empirical formula (Hill Notation) is C9H10O4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical with an assay of 98%. We do not represent this product as meeting USP, BP, EP, or other pharmacopoeia standards.
How should cis-5-Norbornene-endo-2,3-dicarboxylic acid be handled?
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This compound is harmful if swallowed, in contact with skin, or if inhaled, and causes skin and eye irritation and may cause respiratory irritation. Handle with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves, in a well-ventilated area. Adhere to precautionary statements P261, P280, and P305 + P351 + P338.
Is cis-5-Norbornene-endo-2,3-dicarboxylic acid a controlled substance?
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This compound is not listed as a controlled substance in the provided data.
How is cis-5-Norbornene-endo-2,3-dicarboxylic acid packed, shipped, and exported?
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Tech Serve Solutions, a global supplier and exporter, provides this chemical. Packing and shipping details are available upon request, adhering to all relevant international regulations.
How can I request a sample or quote for cis-5-Norbornene-endo-2,3-dicarboxylic acid?
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Please contact our sales department through the website to request a sample or a formal quotation.
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