Description

5-Chloro-o-Toluidine-4-Sulfonic Acid (Nh2=1) is a specialized organic intermediate featuring both a sulfonic acid group and a chloro-substituted aromatic amine, making it a versatile building block for complex synthesis. Its primary value lies in its role as a key precursor for the production of high-performance dyes, pigments, and functional chemicals. This compound is essential for manufacturers and R&D teams in the dyestuff, pharmaceutical, and agrochemical sectors seeking to develop products with specific coloristic or biological properties. We supply this material with a focus on consistent purity and reliable global logistics to support your production pipeline.

Application

• Dye and Pigment Intermediate: A crucial precursor for synthesizing azo dyes, acid dyes, and reactive dyes, imparting specific color shades and fastness properties.
• Pharmaceutical Synthesis: Serves as a building block in the research and development of active pharmaceutical ingredients (APIs) and other fine chemicals.
• Agrochemical Manufacturing: Used in the synthesis of herbicides, pesticides, and other crop protection agents where its aromatic structure is functionalized.
• Chemical Research & Development: Employed in organic synthesis laboratories for creating novel compounds and materials due to its reactive amine and sulfonic acid groups.
• Functional Material Production: Can be utilized in the development of specialty polymers, corrosion inhibitors, and other performance chemicals.

Basic Information

Product Name	5-Chloro-o-Toluidine-4-Sulfonic Acid (Nh2=1)
CAS No.	80675-46-3
Molecular Formula	C7H8ClNO3S
Molecular Weight	221.66 g/mol
Synonyms	5-Chloro-2-methylaniline-4-sulfonic Acid; 2-Amino-4-chloro-5-methylbenzenesulfonic Acid; 4-Amino-6-chloro-m-toluenesulfonic Acid; 5-Chloro-2-methyl-4-sulfoaniline; 4-Amino-2-chloro-5-methylbenzenesulfonic Acid; 5-Chloro-o-toluidine-p-sulfonic Acid; Nh2=1 (Industry Code)
EINECS	Contact for details

Quality Control

Our 5-Chloro-o-Toluidine-4-Sulfonic Acid (Nh2=1) is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing the results is provided with every shipment, ensuring full traceability and compliance with your internal quality standards and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and incompatible materials. Due to the presence of aromatic amine and sulfonic acid groups, standard precautions for handling industrial organic intermediates should be observed.

Specification

Item	Specification
Appearance	Off-white to light brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Sulfated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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