N,N′-(1,4-Phenylene)dimaleimide
N,N′-(1,4-Phenylene)dimaleimide (CAS: 3278-31-7) is an organic compound with the molecular formula C14H8N2O4. This dimaleimide derivative is primarily utilised as a monomer in polymer science and materials science. Its structure lends itself to cross-linking applications and the development of advanced polymers with tailored properties, contributing to innovations in various industrial sectors. Tech Serve Solutions supplies this chemical with a minimum assay of 97%.
- IUPAC
- 1,4-Dimaleimidobenzene,N,N′-(p-Phenylene)dimaleimide
- Synonyms
- 3278-31-7C14H8N2O41,4-DimaleimidobenzeneN,N′-(p-Phenylene)dimaleimide

Polymer Science
N,N′-(1,4-Phenylene)dimaleimide serves as a key monomer for synthesising high-performance polymers. It can participate in polymerisation reactions to introduce rigidity and thermal stability into polymer backbones, suitable for advanced material applications.
Materials Science
This compound is employed in materials science for developing novel composites and functional materials. Its reactive maleimide groups allow for covalent cross-linking, enhancing the mechanical and thermal properties of the resulting materials.
Cross-linking Agent
The difunctional nature of N,N′-(1,4-Phenylene)dimaleimide makes it an effective cross-linking agent. It can be used to modify existing polymers, improving their structural integrity and resistance to solvents and heat.
| Molecular weight | 268.22 |
|---|---|
| Empirical formula | C14H8N2O4 |
| Assay | 97% |
| Melting point | >300 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
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 N,N′-(1,4-Phenylene)dimaleimide used for?
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N,N′-(1,4-Phenylene)dimaleimide is primarily used as a monomer in polymer science and materials science for synthesising high-performance polymers and developing advanced materials through cross-linking applications.
What are the CAS number and formula for N,N′-(1,4-Phenylene)dimaleimide?
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The CAS number for N,N′-(1,4-Phenylene)dimaleimide is 3278-31-7, and its empirical formula is C14H8N2O4. The molecular weight is 268.22.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies N,N′-(1,4-Phenylene)dimaleimide with a minimum assay of 97%. We do not represent this product as USP, BP, EP, or any pharmacopoeia grade.
How should N,N′-(1,4-Phenylene)dimaleimide be handled safely?
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N,N′-(1,4-Phenylene)dimaleimide is classified as harmful if swallowed (H302). Appropriate personal protective equipment includes a dust mask type N95 (US), eyeshields, and gloves. Ensure good ventilation and avoid dust formation.
How is N,N′-(1,4-Phenylene)dimaleimide packed, shipped, and exported?
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We carefully pack N,N′-(1,4-Phenylene)dimaleimide to maintain its integrity during transit. TSS is a specialist global supplier and exporter of fine chemicals, providing reliable worldwide shipping.
How can I request a quote or sample?
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To request a quote or sample of N,N′-(1,4-Phenylene)dimaleimide, please contact our sales team through the website or by calling us directly. We are ready to assist with your requirements.
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