Description

4-Bromo-1,8-Naphthalic Anhydride is a versatile brominated aromatic anhydride derivative, serving as a critical intermediate in advanced organic synthesis. Its value lies in its reactive anhydride and bromine functional groups, enabling precise molecular construction for high-value materials. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty dye industries seeking to develop novel compounds and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for synthesizing naphthalimide-based anticancer agents, fluorescent probes, and other bioactive molecules.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators.
• Functional Dye Precursor: Serves as a core structure for manufacturing fluorescent brighteners, optical brightening agents (OBAs), and laser dyes.
• Material Science: Intermediate for creating naphthalimide-based polymers, organic semiconductors, and charge-transport materials for electronic applications.
• Chemical Research: A valuable reagent in organic chemistry for studying substitution reactions and developing new synthetic methodologies.

Basic Information

Product Name	4-Bromo-1,8-Naphthalic Anhydride
CAS No.	81-86-7
Molecular Formula	C12H5BrO3
Molecular Weight	277.07 g/mol
Synonyms	4-Bromo-1,8-naphthalenedicarboxylic anhydride; 4-Bromonaphthalic anhydride; 4-Bromo-1,8-naphthalic anhydride; 1,8-Naphthalic anhydride, 4-bromo-; 4-Bromonaphthalene-1,8-dicarboxylic anhydride; NSC 403107; 4-Bromo-1,8-naphthalenedicarboxylic acid anhydride
EINECS	201-389-3

Quality Control

Our 4-Bromo-1,8-Naphthalic Anhydride is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every 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 room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	285 - 295 °C
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm

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