Description

2,5-Thiophenediamine Hydrochloride is a high-purity organic intermediate of significant commercial importance. This compound serves as a critical building block in the synthesis of advanced materials and active pharmaceutical ingredients (APIs). It is essential for research and production in the pharmaceutical, agrochemical, and specialty chemical industries, where its unique thiophene-based structure enables the development of novel compounds with specific electronic and biological properties.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Synthesis: Used in the development of advanced pesticides and herbicides, leveraging the thiophene moiety for enhanced biological activity.
• Organic Light-Emitting Diodes (OLEDs): Acts as a building block for electron-transport materials and emissive layer components in display and lighting technologies.
• Dye and Pigment Manufacturing: Intermediate for producing specialized dyes and organic pigments with specific color fastness and stability properties.
• Corrosion Inhibitors: Used in formulations designed to protect metals in harsh industrial environments.
• Polymer and Material Science: Monomer or modifier for creating conductive polymers and advanced polymeric materials with tailored properties.
• Research & Development: Vital reagent in academic and industrial R&D for exploring new chemical entities and reaction pathways.

Basic Information

Product Name	2,5-Thiophenediamine Hydrochloride
CAS No.	70531-89-4
Molecular Formula	C4H7N2S·HCl
Molecular Weight	150.64 g/mol (Free base: 114.18 g/mol)
Synonyms	2,5-Diaminothiophene Hydrochloride; 2,5-Thiophenediamine Dihydrochloride; 2,5-Diamino-thiophene HCl; Thiophene-2,5-diamine hydrochloride; 2,5-Thiophenediamine HCl; 2,5-Diaminothiophene HCl Salt; 2,5-Thiophenediamine monohydrochloride; 2,5-Bis(amino)thiophene hydrochloride
EINECS	Contact for details

Quality Control

Our 2,5-Thiophenediamine Hydrochloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for sensitive synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Off-white to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 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.