Description

4-(1,3-Dioxo-1H,3H-Benzo[De]Isoquinolin-2-Yl)-Benzoic Acid is a specialized organic compound belonging to the class of naphthalimide derivatives, characterized by its fused aromatic ring system and carboxylic acid functionality. This compound matters as a high-value chemical intermediate and building block for advanced material synthesis, offering precise structural control for functional molecules. It is primarily needed by R&D and production teams in the pharmaceutical, organic electronics, and dye and pigment industries.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for compounds targeting specific biological pathways.
• Organic Light-Emitting Diodes (OLEDs): Used as a core building block for electron-transport materials (ETMs) or host materials in the emissive layer due to its rigid, planar structure and electron-accepting properties.
• Functional Dye Synthesis: Acts as a starting material for creating high-performance pigments, fluorescent dyes, and sensors where photostability and specific light absorption/emission are critical.
• Polymer and Material Science: Incorporated into polymer backbones or as a side-chain modifier to impart specific thermal, optical, or electronic properties to advanced polymeric materials.
• Research & Development: Employed in academic and industrial laboratories for exploring new chemical entities, catalysis, and supramolecular chemistry.
• Liquid Crystal and Display Technology: Potential use in the development of components for liquid crystal displays (LCDs) and other optoelectronic devices.

Basic Information

Item	Details
Product Name	4-(1,3-Dioxo-1H,3H-Benzo[De]Isoquinolin-2-Yl)-Benzoic Acid
CAS No.	135980-47-1
Molecular Formula	C19H11NO4
Molecular Weight	317.30 g/mol
Synonyms	2-(4-Carboxyphenyl)benzo[de]isoquinoline-1,3-dione; 4-(1,3-Dioxo-1H-benzo[de]isoquinolin-2(3H)-yl)benzoic acid; 4-(1,3-Dioxobenzo[de]isoquinolin-2-yl)benzoic acid; Naphthalimide-4-carboxylic acid derivative; 2-(4-Carboxyphenyl)-1H-benz[de]isoquinoline-1,3(2H)-dione; BIDC (Benzo[de]isoquinoline-1,3-dione-4-carboxylic acid); 4-(1,3-Dioxo-1H-benzo[de]isoquinolin-2-yl)benzoic acid
EINECS	Contact for details

Quality Control

Our production of 4-(1,3-Dioxo-1H,3H-Benzo[De]Isoquinolin-2-Yl)-Benzoic Acid adheres to a stringent quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR, to ensure consistency and compliance with customer specifications. Comprehensive Certificates of Analysis (COA) detailing all test results are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials such as strong bases and oxidizing agents. For long-term storage, consider an inert atmosphere to maintain optimal purity.

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%
Heavy Metals (as Pb)	≤ 20 ppm

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