exo-3,6-Epoxy-1,2,3,6-tetrahydrophthalic anhydride
exo-3,6-Epoxy-1,2,3,6-tetrahydrophthalic anhydride (CAS 6118-51-0) is a chemical compound with the molecular formula C8H6O4 and a molecular weight of 166.13 g/mol. This anhydride plays a role in polymer science and materials science as a monomer. Its structure, featuring both epoxide and anhydride functionalities, makes it a versatile building block for various polymerisation reactions and chemical syntheses.
- Synonyms
- 3,6-Epoxy-1,2,3,6-tetrahydrophthalic anhydride3,6-Tetrahydrophthalic anhydride6118-51-0

Polymer Synthesis
This compound serves as a monomer in the creation of specialised polymers. The epoxide and anhydride groups can participate in ring-opening polymerisation and condensation reactions, leading to materials with tailored properties.
Materials Science
As a component in materials science, it can be used to develop novel resins and composites. Its reactivity allows for cross-linking or functionalisation, enhancing the thermal or mechanical characteristics of resultant materials.
Chemical Intermediate
It functions as an intermediate in organic synthesis, enabling the production of more complex molecules. The anhydride moiety is reactive towards nucleophiles, facilitating derivatisation.
| Molecular weight | 166.13 |
|---|---|
| Empirical formula | C8H6O4 |
| Melting point | 118 °C (dec.)(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) | 26-37/39 |
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 exo-3,6-Epoxy-1,2,3,6-tetrahydrophthalic anhydride used for?
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exo-3,6-Epoxy-1,2,3,6-tetrahydrophthalic anhydride is primarily used as a monomer in polymer synthesis and in materials science for developing novel resins and composites. It also functions as a chemical intermediate in organic synthesis.
What is the CAS number and chemical formula for exo-3,6-Epoxy-1,2,3,6-tetrahydrophthalic anhydride?
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The CAS number is 6118-51-0, and the chemical formula is C8H6O4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical, typically as a research or technical grade. We do not represent it as USP, BP, or EP grade unless explicitly stated. Purity details are available upon request.
What are the safety and handling requirements for this chemical?
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This compound is classified as a Warning with hazards including skin irritation (H315), eye irritation (H319), and respiratory irritation (H335). Handling requires appropriate PPE, including a dust mask (N95), eyematerial protection, and gloves. Avoid breathing dust.
How is exo-3,6-Epoxy-1,2,3,6-tetrahydrophthalic anhydride packed, shipped, or exported?
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Tech Serve Solutions can arrange for packing, shipping, and export of this chemical according to your specific requirements and all applicable regulations.
How can I request a sample or quote for exo-3,6-Epoxy-1,2,3,6-tetrahydrophthalic anhydride?
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To request a sample or quote, please use the contact form on our website or call our sales team, providing the product name and CAS number.
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