Description

4-(Methylmercapto)Aniline Hydrochloride is a versatile organic intermediate featuring both an aniline and a thioether functional group. This compound is critical for the synthesis of complex molecules where the introduction of a protected amine and a sulfur-containing moiety is required. It is primarily utilized by research institutions and manufacturers in the pharmaceutical, agrochemical, and dye industries for developing active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a thioether-linked aniline structure.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and insecticides, where the methylmercapto group can contribute to biological activity.
• Dye and Pigment Manufacturing: Serves as a precursor for sulfur-containing azo dyes and other specialty colorants.
• Research & Development: Valuable reagent in organic synthesis for academic and industrial R&D, enabling the exploration of new chemical entities.
• Polymer Chemistry: Can be employed as a monomer or modifier in the synthesis of specialty polymers and resins.
• Chemical Synthesis: General-purpose intermediate for creating more complex sulfur and nitrogen-containing compounds.

Basic Information

Product Name	4-(Methylmercapto)Aniline Hydrochloride
CAS No.	39870-00-3
Molecular Formula	C7H10ClNS
Molecular Weight	175.68 g/mol
Synonyms	4-(Methylthio)aniline hydrochloride; p-(Methylmercapto)aniline hydrochloride; 4-Aminophenyl methyl sulfide hydrochloride; 4-Methylmercaptoaniline HCl; 4-(Methylsulfanyl)aniline hydrochloride; Aniline, 4-(methylthio)-, hydrochloride; p-Methylthioaniline hydrochloride
EINECS	Contact for details

Quality Control

Our 4-(Methylmercapto)Aniline Hydrochloride is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide Certificates of Analysis (COA) with key parameters including assay, impurity profile, and physical characteristics. Our quality commitment aligns with cGMP principles where applicable, ensuring reliability for your critical synthesis processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and light-sensitive; therefore, containers must be kept tightly sealed after each use to minimize exposure to atmospheric moisture and light.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 2.0%

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