Description

Isoindigo CAS NO 180479-95-2 is an important organic semiconductor building block and a high-performance electron-accepting unit. This compound matters for its exceptional optoelectronic properties, including strong light absorption and tunable energy levels, which are critical for developing advanced electronic materials. It is primarily needed by researchers and manufacturers in the organic electronics, photovoltaics, and materials science sectors for creating next-generation devices.

Application

• As a key electron-accepting monomer in the synthesis of n-type organic semiconductors for field-effect transistors (OFETs).
• Building block for donor-acceptor (D-A) conjugated polymers used in organic photovoltaics (OPVs) and solar cells.
• Precursor material in the development of organic light-emitting diodes (OLEDs) and other optoelectronic devices.
• Intermediate for advanced dye and pigment research, leveraging its strong chromophoric structure.
• Used in academic and industrial R&D for exploring novel organic electronic materials and their structure-property relationships.

Basic Information

Product Name	Isoindigo
CAS No.	180479-95-2
Molecular Formula	C16H10N2O2
Molecular Weight	262.27 g/mol
Synonyms	Isoindigo; 2-(1,3-Dihydro-3-oxo-2H-isoindol-2-ylidene)-1,2-dihydro-3H-indol-3-one; 2,2'-Biindolinylidene-3,3'-dione; (3E)-2-(3-Oxo-1H-indol-2-ylidene)-1H-indol-3-one; Isoindigo core; Electron acceptor unit; Organic semiconductor monomer
EINECS	Contact for details

Quality Control

Our Isoindigo is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity, essential for sensitive electronic applications. All materials are characterized using advanced analytical techniques including NMR, HPLC, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your R&D and quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed in a dry environment to prevent degradation. For long-term storage, consider using desiccants or an inert atmosphere.

Specification

Item	Specification
Appearance	Dark red to brown powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	>300 °C (decomposes)
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.