Description

4,5-Dianilinophthalimide is a specialized organic compound belonging to the phthalimide class, characterized by its two anilino substituents. This structure makes it a valuable intermediate and building block in advanced organic synthesis, particularly for creating complex heterocyclic systems and functional materials. It is primarily utilized by research institutions and industrial R&D departments focused on developing novel dyes, pigments, and high-performance polymers.

Application

• Organic Synthesis Intermediate: A key precursor for the synthesis of complex heterocyclic compounds and functionalized phthalimide derivatives.
• Dye and Pigment Manufacturing: Serves as a core structure in the development of specialized colorants and optical brighteners.
• Polymer Science Research: Used in the creation of monomers for high-performance polyimides and other engineering plastics.
• Pharmaceutical Research: Investigated as a potential scaffold or intermediate in the discovery of new active pharmaceutical ingredients (APIs).
• Material Science: Explored for applications in organic electronics, such as in the development of charge-transport materials.
• Analytical Chemistry: May be used as a standard or reagent in chromatographic and spectroscopic methods.

Basic Information

Product Name	4,5-Dianilinophthalimide
CAS No.	157168-02-0
Molecular Formula	C20H15N3O2
Molecular Weight	329.36 g/mol
Synonyms	4,5-Bis(anilino)phthalimide; 4,5-Bis(phenylamino)phthalimide; 4,5-Bis(phenylamino)-1H-isoindole-1,3(2H)-dione; 1H-Isoindole-1,3(2H)-dione, 4,5-bis(phenylamino)-; 4,5-Dianilino-1H-isoindole-1,3(2H)-dione; N,N'-(4,5-Dihydroxy-1,3-dioxoisoindoline-4,5-diyl)dianiline (tautomeric form)
EINECS	Contact for details

Quality Control

Our 4,5-Dianilinophthalimide is produced under controlled conditions to ensure batch-to-batch consistency and high purity. Each lot undergoes rigorous analytical testing, including HPLC for purity assessment and spectroscopic methods for identity confirmation. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every 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). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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