Description

4,4'-Thiobisaniline·2Hydrochloride is a high-purity organic chemical intermediate, primarily recognized for its role as a precursor in the synthesis of advanced materials and specialty chemicals. Its value lies in the sulfur-bridged biphenyl structure, which is integral for developing compounds with specific electronic and thermal properties. This product is essential for manufacturers and R&D teams in the polymer, pharmaceutical, and agrochemical sectors seeking reliable building blocks for high-performance applications.

Application

• Polymer Industry: Key monomer for the synthesis of high-performance polyimides, polyamides, and other engineering plastics requiring enhanced thermal stability and mechanical strength.
• Pharmaceutical Intermediates: Serves as a crucial building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds with sulfur-containing heterocycles.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators where the thiobis-aniline core imparts specific biological activity.
• Dye and Pigment Manufacturing: Acts as an intermediate for creating sulfur-based dyes and organic pigments with excellent color fastness and stability.
• Liquid Crystal & Electronic Materials: A precursor in the development of components for liquid crystal displays (LCDs) and other electronic materials due to its rigid, planar structure.
• Cross-linking Agent: Utilized as a cross-linking or chain-extending agent in epoxy resins and other thermosetting polymers to modify their properties.
• Research & Development: Employed in academic and industrial R&D for exploring new organic semiconductors, ligands for catalysis, and novel chemical entities.

Basic Information

Product Name	4,4'-Thiobisaniline·2Hydrochloride
CAS No.	52285-42-4
Molecular Formula	C12H12N2S·2HCl
Molecular Weight	289.22 g/mol
Synonyms	4,4'-Thiobisbenzenamine Dihydrochloride; 4,4'-Diaminodiphenyl Sulfide Dihydrochloride; Bis(4-aminophenyl) Sulfide Dihydrochloride; 4-Aminophenyl Sulfide Dihydrochloride; p,p'-Thiodianiline Dihydrochloride; DADPS·2HCl; TDPA·2HCl; Thiobis(4-aminobenzene) Dihydrochloride
EINECS	Contact for details

Quality Control

Our 4,4'-Thiobisaniline·2Hydrochloride 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 exacting standards for use in sensitive applications. Certificates of Analysis (COA) detailing all specifications are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
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.