Description

n-Propylmaleimide is a versatile chemical intermediate belonging to the class of maleimide derivatives. Its reactive double bond and imide group make it a valuable building block for synthesizing polymers, pharmaceuticals, and specialty chemicals. This compound is particularly sought after by researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors for creating functionalized molecules and cross-linked polymer networks.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those requiring maleimide functionalization for conjugation or bioactivity.
• Polymer Chemistry & Material Science: Serves as a key monomer or cross-linking agent in the production of specialty polymers, resins, and coatings, imparting thermal stability and specific mechanical properties.
• Agrochemical Synthesis: Employed in the development of novel pesticides, herbicides, and plant growth regulators.
• Bioconjugation & Protein Labeling: Acts as a reactive handle for modifying proteins, antibodies, and peptides due to its selective reactivity with thiol groups.
• Organic Synthesis & Research: A fundamental reagent in academic and industrial R&D for Diels-Alder reactions and the construction of complex heterocyclic compounds.
• Adhesive & Sealant Formulations: Used to enhance the performance and durability of high-strength industrial adhesives.

Basic Information

Product Name	n-Propylmaleimide
CAS No.	21746-40-7
Molecular Formula	C7H9NO2
Molecular Weight	139.15 g/mol
Synonyms	1-Propyl-1H-pyrrole-2,5-dione; N-Propylmaleimide; Maleimide, N-propyl-; 2,5-Pyrrolidinedione, 1-propyl-; Propylmaleimide; NPMI
EINECS	Contact for details

Quality Control

Our n-Propylmaleimide is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, keep the container tightly sealed to minimize exposure to moisture. Keep away from incompatible materials such as strong bases and reducing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.