Description

Pyrrolo[3,4-c]pyrrole-1,4-dione, 2,5-dihydro-3,6-bis(4-methylphenyl)- is a high-value, specialized heterocyclic organic compound belonging to the diketopyrrolopyrrole (DPP) family. This compound matters as a key advanced intermediate for synthesizing high-performance pigments and functional materials, prized for their exceptional color strength, thermal stability, and lightfastness. It is primarily needed by manufacturers in the pigments, dyes, and organic electronics sectors, where it serves as a critical building block for creating vibrant, durable colors and specialized semiconducting polymers.

Application

• High-Performance Organic Pigments (HPPs): As a core intermediate for synthesizing DPP-based pigments, renowned for brilliant reds and violets with superior durability.
• Automotive and Industrial Coatings: Imparts exceptional weather resistance, chemical stability, and intense coloration for demanding exterior applications.
• Plastics and Masterbatch Coloring: Used to color engineering plastics and polymers that require high-temperature processing and long-term color stability.
• Organic Photovoltaics (OPVs) & Electronics: Acts as a precursor for donor or acceptor materials in the active layer of solar cells and organic field-effect transistors (OFETs).
• Digital Printing Inks: Provides high color purity and fastness properties for advanced inkjet and toner formulations.
• Research & Development: Serves as a versatile building block in academic and industrial R&D for novel functional dyes and π-conjugated materials.

Basic Information

Product Name	Pyrrolo[3,4-c]pyrrole-1,4-dione, 2,5-dihydro-3,6-bis(4-methylphenyl)-
CAS No.	84632-66-6
Molecular Formula	C20H16N2O2
Molecular Weight	316.36 g/mol
Synonyms	3,6-Bis(4-methylphenyl)-2,5-dihydropyrrolo[3,4-c]pyrrole-1,4-dione; DPP Derivative (4-Methylphenyl); 2,5-Dihydro-3,6-di-p-tolylpyrrolo[3,4-c]pyrrole-1,4-dione; 3,6-Di-p-tolyl-2,5-dihydropyrrolo[3,4-c]pyrrole-1,4-dione; Tetramethyl-substituted DPP Core; 1,4-Diketo-3,6-di(p-tolyl)pyrrolo[3,4-c]pyrrole
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality protocols to ensure batch-to-batch consistency and high purity, which is critical for downstream performance in pigments and electronics. Quality is verified through analytical techniques including HPLC, NMR, and GC-MS. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at ambient temperature (15-25°C). Keep away from heat sources and incompatible materials. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Orange to red crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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