Description

3-Bromo-4-Methyl-5-Nitrobenzoic Acid is a high-purity, multi-functional aromatic carboxylic acid derivative that serves as a critical building block in advanced organic synthesis. Its unique substitution pattern makes it an invaluable intermediate for constructing complex molecular architectures, particularly in the pharmaceutical and agrochemical sectors. This compound is essential for research chemists and process development scientists working on active pharmaceutical ingredients (APIs), specialty dyes, and advanced material precursors.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting specific enzyme inhibitors or receptor modulators.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and plant growth regulators due to its reactive halogen and nitro functional groups.
• Dye and Pigment Manufacturing: Serves as a core structure for synthesizing specialized azo dyes and colorants with enhanced lightfastness and color properties.
• Liquid Crystal & OLED Material Research: A valuable starting material for creating complex, polar aromatic cores used in electronic display technologies.
• Polymer Modification: Acts as a functional monomer or cross-linking agent to introduce specific chemical properties into polymer chains.
• Academic & Industrial R&D: A versatile reagent for methodological studies in cross-coupling reactions, nucleophilic aromatic substitution, and carboxyl group transformations.

Basic Information

Item	Details
Product Name	3-Bromo-4-Methyl-5-Nitrobenzoic Acid
CAS No.	34545-20-5
Molecular Formula	C8H6BrNO4
Molecular Weight	260.04 g/mol
Synonyms	5-Nitro-3-bromo-4-methylbenzoic acid; 3-Bromo-4-methyl-5-nitrobenzoic acid; Benzoic acid, 3-bromo-4-methyl-5-nitro-; 34545-20-5; 4-Methyl-3-bromo-5-nitrobenzoic acid; 3-Bromo-4-methyl-5-nitro-benzoic acid
EINECS	Contact for details

Quality Control

Every batch of 3-Bromo-4-Methyl-5-Nitrobenzoic Acid is manufactured under strict quality management systems. Our products undergo rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure high purity and consistent lot-to-lot performance. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept tightly sealed and away from direct light sources to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
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.