Description

4-Chloro-3-Methoxyaniline is a versatile aromatic amine derivative, serving as a critical building block in advanced organic synthesis. Its molecular structure, featuring both chloro and methoxy substituents, makes it a valuable intermediate for creating complex molecules with specific functionalities. This compound is essential for manufacturers in the pharmaceutical, agrochemical, and dye industries seeking to develop new active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those with complex aromatic backbones.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents where its aniline core is functionalized.
• Dye and Pigment Manufacturing: Acts as a diazo component or coupling agent in the creation of azo dyes and high-performance pigments.
• Polymer Chemistry: Employed in the synthesis of specialty polymers and resins, where it can be incorporated as a monomer to modify material properties.
• Research & Development: A valuable reagent in academic and industrial R&D labs for exploring new synthetic pathways and novel chemical entities.
• Fine Chemical Production: Serves as an intermediate for other fine chemicals, including photographic chemicals and electronic materials.

Basic Information

Product Name	4-Chloro-3-Methoxyaniline
CAS No.	13726-14-2
Molecular Formula	C7H8ClNO
Molecular Weight	157.60 g/mol
Synonyms	3-Methoxy-4-chloroaniline; 4-Chloro-3-methoxybenzenamine; 4-Chloro-m-anisidine; 3-Amino-4-chloroanisole; 4-Chloro-3-aminoanisole; 4-Chloro-3-methoxyphenylamine; Benzenamine, 4-chloro-3-methoxy-; 4-Chloro-3-methoxyaniline (primary name)
EINECS	237-321-9

Quality Control

Our 4-Chloro-3-Methoxyaniline is produced under strict quality management systems to ensure batch-to-batch consistency and high purity. The product undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to verify identity and quantify impurities. A Certificate of Analysis (COA) detailing all specifications is provided with each shipment. We adhere to cGMP principles where applicable to support our customers in regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong oxidizing agents and acids. Recommended long-term storage temperature is between 2°C and 8°C to maximize stability. The compound may be light-sensitive and should be handled accordingly.

Specification

Item	Specification
Appearance	Light yellow to brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	68°C - 72°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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