Description

Naphthalene Diimide is a high-performance organic semiconductor material belonging to the rylene diimide family, known for its exceptional electron-accepting properties and thermal stability. This compound is critical for developing advanced electronic and optoelectronic devices due to its tunable energy levels and robust n-type charge transport characteristics. It is primarily sought by researchers and manufacturers in the organic electronics, photovoltaics, and specialty chemical synthesis sectors.

Application

• Organic Field-Effect Transistors (OFETs): As a core n-type semiconductor material for high-mobility electron transport layers.
• Organic Photovoltaics (OPVs): Used as an electron acceptor in non-fullerene-based solar cell active layers to improve power conversion efficiency.
• Electroluminescent Devices: Serves as an electron transport/hole-blocking layer in OLEDs and light-emitting electrochemical cells (LECs).
• Chemical Sensors: Employed in the fabrication of sensitive layers for detecting gases, ions, or biomolecules due to its redox-active properties.
• Advanced Battery Materials: Investigated as an organic cathode material or redox-active component for next-generation energy storage systems.
• Dye and Pigment Intermediate: Acts as a precursor for synthesizing high-performance perylene and naphthalene-based dyes and pigments.

Basic Information

Product Name	Naphthalene Diimide
CAS No.	22291-04-9
Molecular Formula	C24H10N2O4
Molecular Weight	390.35 g/mol
Synonyms	NDI; Naphthalene-1,4,5,8-tetracarboxylic diimide; 1H,5H-Naphtho[1,2-c:5,6-c']difuran-1,3,5,7(2H,6H)-tetrone; Perylene tetracarboxylic diimide precursor; Naphthalenetetracarboxylic diimide; 1,4,5,8-Naphthalenetetracarboxylic acid diimide; Naphthalene bisimide
EINECS	244-904-1

Quality Control

Our Naphthalene Diimide is produced under stringent conditions to ensure batch-to-batch consistency and high purity, essential for reproducible performance in electronic applications. Quality is verified through a comprehensive suite of analytical techniques including HPLC, NMR, and elemental analysis. A Certificate of Analysis (COA) detailing purity, identity, and key physical properties is provided with each shipment to support your R&D and 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). This material is light-sensitive (store away from light) and should be kept under an inert atmosphere for long-term storage to prevent potential degradation.

Specification

Item	Specification
Appearance	Yellow to orange powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	> 300 °C
Heavy Metals (as Pb)	< 20 ppm
Residue on Ignition	< 0.1%
Solubility	Soluble in concentrated H2SO4, insoluble in water

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