Description

5-Chloro-2-Mercaptoaniline Hydrochloride is a versatile and reactive organic intermediate of significant importance in fine chemical synthesis. Its molecular structure, featuring both an amine and a thiol group protected as a hydrochloride salt, makes it a critical building block for constructing complex heterocyclic systems. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries who require high-purity intermediates for the development of active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of benzothiazole and thiazolo[5,4-b]pyridine derivatives, which are scaffolds for various bioactive molecules.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators that incorporate the chloroaniline-thiol motif.
• Dye and Pigment Manufacturing: Serves as a starting material for sulfur-containing azo dyes and pigments, contributing to color fastness and specific hue properties.
• Material Science: Employed in the research and development of organic electronic materials and ligands for metal-organic frameworks (MOFs).
• Chemical Research: A valuable reagent in academic and industrial R&D for exploring novel organic reactions and synthesizing complex molecular libraries.

Basic Information

Product Name	5-Chloro-2-Mercaptoaniline Hydrochloride
CAS No.	615-48-5
Molecular Formula	C6H7Cl2NS
Molecular Weight	196.10 g/mol
Synonyms	2-Amino-4-chlorobenzenethiol Hydrochloride; 4-Chloro-2-aminobenzenethiol Hydrochloride; 5-Chloro-2-aminothiophenol Hydrochloride; 5-Chloro-2-mercaptobenzenamine Hydrochloride; 2-Mercapto-5-chloroaniline Hydrochloride; Benzenethiol, 2-amino-4-chloro-, hydrochloride; 4-Chloro-2-mercaptoaniline Hydrochloride
EINECS	210-426-5

Quality Control

Our 5-Chloro-2-Mercaptoaniline Hydrochloride is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency, meeting the stringent requirements of our global clientele in advanced synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as assay, impurity profile, and physical characteristics.

Storage

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

Specification

Item	Specification
Appearance	White to off-white or light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
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.