Description

4-Amino-6-Chlorotoluene-2-Sulphonic Acid is a key organic intermediate featuring a sulfonic acid group, an amino group, and a chloro substituent on a toluene backbone. This unique structure makes it a versatile building block for the synthesis of more complex molecules, particularly dyes and pigments. It is essential for manufacturers in the agrochemical and specialty chemical industries seeking to produce high-performance colorants and functional compounds.

Application

• Dye and Pigment Intermediate: A crucial precursor in the synthesis of azo dyes, acid dyes, and reactive dyes, providing color fastness and specific hue properties.
• Agrochemical Synthesis: Serves as a building block for manufacturing certain herbicides and plant growth regulators.
• Pharmaceutical Intermediate: Used in the research and development of active pharmaceutical ingredients (APIs) requiring its specific aromatic substitution pattern.
• Specialty Chemical Production: Employed in the creation of optical brighteners, corrosion inhibitors, and other performance chemicals.
• Research & Development: Utilized in academic and industrial laboratories for novel organic synthesis and material science projects.

Basic Information

Product Name	4-Amino-6-Chlorotoluene-2-Sulphonic Acid
CAS No.	6387-22-0
Molecular Formula	C7H8ClNO3S
Molecular Weight	221.66 g/mol
Synonyms	2-Chloro-5-methyl-4-aminobenzenesulfonic Acid; 6-Chloro-4-aminotoluene-2-sulfonic Acid; 4-Amino-6-chloro-m-toluenesulfonic Acid; 2-Amino-4-chloro-5-methylbenzenesulfonic Acid; 5-Amino-3-chloro-4-methylbenzenesulfonic Acid; CLT Acid; 4-Amino-6-chlorotoluene-2-sulfonic acid
EINECS	228-977-7

Quality Control

Our 4-Amino-6-Chlorotoluene-2-Sulphonic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and industry standards. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and easily oxidized; it is recommended to store under an inert atmosphere such as nitrogen for long-term preservation to maintain optimal quality and stability.

Specification

Item	Specification
Appearance	Off-white to light brown crystalline powder
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.