Description

4-Bromo-1-Naphthaleneacetic Acid is a versatile brominated naphthalene derivative that serves as a critical synthetic intermediate in advanced organic chemistry. Its value lies in its ability to introduce both a bromine substituent and a reactive acetic acid side chain, enabling precise molecular construction. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and material science industries who require high-purity building blocks for complex synthesis.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for compounds targeting inflammation or central nervous system disorders.
• Agrochemical Research: Used in developing new herbicides and plant growth regulators, leveraging its halogenated aromatic structure.
• Liquid Crystal & OLED Material Synthesis: Serves as a building block for creating advanced organic electronic materials and liquid crystal molecules.
• Organic Synthesis Reagent: Employed in cross-coupling reactions (e.g., Suzuki, Heck) and as a starting material for generating more complex naphthalene-based scaffolds.
• Dye & Pigment Manufacturing: Intermediate in the production of specialized dyes and pigments where bromination enhances color fastness and properties.
• Academic & R&D Laboratories: Used in mechanistic studies and the development of new synthetic methodologies in organic chemistry.

Basic Information

Product Name	4-Bromo-1-Naphthaleneacetic Acid
CAS No.	5438-74-4
Molecular Formula	C₁₂H₉BrO₂
Molecular Weight	265.10 g/mol
Synonyms	4-Bromo-1-naphthylacetic Acid; (4-Bromo-1-naphthyl)acetic Acid; 1-Naphthaleneacetic Acid, 4-bromo-; 4-Bromo-NAA; 4-Br-1-NAA; 4-Bromonaphthalene-1-acetic Acid; α-(4-Bromo-1-naphthyl)acetic Acid; BNAA
EINECS	226-618-5

Quality Control

Our 4-Bromo-1-Naphthaleneacetic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure it meets the high standards required for research and industrial synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability and consistent batch-to-batch quality.

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). Keep away from strong acids and organic solvents. The container should be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Melting Point	158°C - 162°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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