Description

3,4-Dichloro-5-Methylaniline is a halogenated aromatic amine derivative serving as a critical building block in advanced organic synthesis. This compound matters for its role as a key intermediate in the production of high-value agrochemicals and pharmaceuticals, enabling the introduction of specific functional groups. Industries requiring fine chemical synthesis, such as crop protection and active pharmaceutical ingredient (API) manufacturing, rely on its consistent quality and reactivity. Its controlled synthesis and purity are essential for ensuring the efficacy and safety of the final downstream products.

Application

• Agrochemical Intermediate: A key precursor in the synthesis of herbicides, fungicides, and pesticides, where the dichloro-methylaniline structure provides specific biological activity.
• Pharmaceutical Synthesis: Used as a versatile building block for constructing complex molecules in active pharmaceutical ingredient (API) development.
• Dye and Pigment Manufacturing: Serves as an intermediate in the production of azo dyes and other complex colorants.
• Research & Development: Employed in chemical research for studying reaction mechanisms and developing new synthetic methodologies.
• Polymer Chemistry: Can be utilized as a monomer or modifier in the synthesis of specialty polymers and resins.

Basic Information

Product Name	3,4-Dichloro-5-Methylaniline
CAS No.	51719-45-0
Molecular Formula	C7H7Cl2N
Molecular Weight	176.04 g/mol
Synonyms	5-Methyl-3,4-dichloroaniline; 3,4-Dichloro-5-methylbenzenamine; 1-Amino-3,4-dichloro-5-methylbenzene; Benzenamine, 3,4-dichloro-5-methyl-; 3,4-Dichloro-5-methyl-phenylamine; 3,4-Dichloro-5-methylaniline (primary name)
EINECS	Contact for details

Quality Control

Our 3,4-Dichloro-5-Methylaniline is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Production adheres to current Good Manufacturing Practices (cGMP) where applicable, and the material is suitable for use in regulated synthesis. Each batch is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles as determined by advanced analytical techniques like HPLC and GC. We support our clients' quality and regulatory requirements with full traceability and documentation.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be opaque or stored in dark conditions.

Specification

Item	Specification
Appearance	Off-white to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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