Description

4-Bromonaphthalic Acid is a versatile brominated aromatic carboxylic acid derivative, serving as a critical synthetic intermediate in advanced organic chemistry. Its value lies in its ability to introduce both bromine and carboxylic acid functional groups, enabling the construction of complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries who require high-purity building blocks for active ingredient synthesis and material science applications.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for compounds targeting specific biological pathways.
• Agrochemical Synthesis: Used in the research and development of advanced herbicides, fungicides, and plant growth regulators.
• Ligand and Catalyst Precursor: Serves as a starting material for creating specialized ligands used in transition metal catalysis and coordination chemistry.
• Functional Material Development: Employed in the synthesis of organic semiconductors, dyes, and pigments due to its naphthalene core and modifiable functional groups.
• Academic and R&D: A valuable reagent for methodological studies in cross-coupling reactions, carboxylation, and other transformative organic reactions.
• Fine Chemical Production: Intermediate for manufacturing complex fragrance molecules, photographic chemicals, and other high-value specialty products.

Basic Information

Product Name	4-Bromonaphthalic Acid
CAS No.	7267-05-2
Molecular Formula	C11H7BrO2
Molecular Weight	251.08 g/mol
Synonyms	4-Bromo-1,8-naphthalic acid; 4-Bromonaphthalene-1,8-dicarboxylic acid; 4-Bromo-1,8-naphthalenedicarboxylic acid; 1,8-Naphthalenedicarboxylic acid, 4-bromo-; 4-Bromonaphthalic Anhydride (precursor/related); 4-Bromo-1,8-naphthalic anhydride; 4-Bromo-NA
EINECS	Contact for details

Quality Control

Our 4-Bromonaphthalic Acid is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. We employ advanced analytical techniques, including HPLC, NMR, and GC-MS, for comprehensive identity confirmation and impurity profiling. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting key parameters such as assay, related substances, and residual solvents to support your quality and regulatory requirements.

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 strong bases, strong oxidizing agents, and sources of ignition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Heavy Metals	≤ 20 ppm

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