Description

4-Aminodiphenylsulfide is a versatile organic sulfur compound featuring both an amine and a sulfide functional group, making it a valuable intermediate in advanced chemical synthesis. Its bifunctional nature allows for selective reactivity, enabling the construction of complex molecules for high-performance applications. This compound is primarily sought after by manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries for research and development as well as production-scale processes.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a diphenyl sulfide backbone.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators where its structure contributes to biological activity.
• Polymer Chemistry: Serves as a monomer or cross-linking agent in the development of specialty polymers, including high-temperature resins and materials with specific optical or electronic properties.
• Dye and Pigment Manufacturing: Acts as a precursor for sulfur-containing dyes and organic pigments, providing color fastness and stability.
• Ligand Synthesis: Utilized in organometallic chemistry to create complex ligands for catalysis and material science applications.
• Research & Development: A valuable reagent in organic synthesis laboratories for constructing novel molecular architectures in medicinal and materials chemistry.

Basic Information

Product Name	4-Aminodiphenylsulfide
CAS No.	1135-14-4
Molecular Formula	C₁₂H₁₁NS
Molecular Weight	201.29 g/mol
Synonyms	4-Aminophenyl phenyl sulfide; p-Aminodiphenyl sulfide; 4-(Phenylthio)aniline; Benzenamine, 4-(phenylthio)-; 4-APS; Aniline, p-(phenylthio)-; 4-Aminophenylsulfenylbenzene; 1-Amino-4-(phenylsulfanyl)benzene
EINECS	214-498-7

Quality Control

Our 4-Aminodiphenylsulfide is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, confirming compliance with agreed specifications. Our quality commitment supports applications requiring high-purity intermediates for regulated industries.

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. For long-term storage, consider an inert atmosphere to minimize potential oxidation.

Specification

Item	Specification
Appearance	Light yellow to beige crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	95 - 99 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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