Description

2-Bromo-1,4,5,8-Naphthalenetetracarboxylic Acid Dianhydride is a high-purity, functionalized naphthalene derivative that serves as a critical building block in advanced organic synthesis. This compound is valued for its ability to introduce both bromine functionality and reactive anhydride groups into complex molecular architectures, enabling precise material engineering. It is primarily sought after by R&D chemists and process engineers in the electronics and specialty polymer industries for developing novel functional materials.

Application

• Key Intermediate for Organic Semiconductors: Used in the synthesis of n-type organic semiconductor materials and electron-transport layers for OLEDs and OFETs.
• Precursor for Polyimides and Polyamides: Serves as a monomer for producing high-performance, heat-resistant polymers with tailored electronic properties.
• Building Block for Dyes and Pigments: Employed in creating advanced chromophores and pigments for specialized optical applications.
• Research & Development: A versatile reagent in academic and industrial R&D for exploring new conjugated molecules and porous organic frameworks.
• Material Science: Utilized in the development of novel covalent organic frameworks (COFs) and other advanced porous materials.

Basic Information

Product Name	2-Bromo-1,4,5,8-Naphthalenetetracarboxylic Acid Dianhydride
CAS No.	846-20-8
Molecular Formula	C14H4Br2O6
Molecular Weight	443.99 g/mol
Synonyms	2-Bromo-1,4,5,8-naphthalenetetracarboxylic dianhydride; 2-Bromo-NTCDA; 1,4,5,8-Naphthalenetetracarboxylic acid, 2-bromo-, dianhydride; 2-Bromo-1,4,5,8-naphthalene tetracarboxylic dianhydride; BNCDA; 2-Br-NTCDA; 2-Bromo-naphthalene-1,4,5,8-tetracarboxylic dianhydride
EINECS	Contact for details

Quality Control

Our 2-Bromo-1,4,5,8-Naphthalenetetracarboxylic Acid Dianhydride is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity, suitable for demanding electronic and polymer applications. We provide comprehensive Certificates of Analysis (COA) with each batch, detailing key parameters such as assay, impurity profile, and identity confirmation. Our quality system is designed to meet the stringent requirements of advanced material synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed in a dry environment to prevent moisture absorption and degradation. Keep away from incompatible materials such as strong bases and amines.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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