Description

Thiophene-3-Thiol is a versatile sulfur-containing heterocyclic compound, also known as 3-Mercaptothiophene. This specialized organosulfur building block is valued for its unique reactivity, serving as a key intermediate in the synthesis of complex molecules. It is primarily utilized by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and material science sectors for developing novel compounds and functional materials.

Application

• Pharmaceutical Intermediate: A critical building block for synthesizing active pharmaceutical ingredients (APIs), particularly those with thiophene or thiol-based pharmacophores.
• Agrochemical Synthesis: Used in the research and development of new pesticides, herbicides, and fungicides where the thiophene ring confers specific biological activity.
• Material Science & Organic Electronics: Serves as a precursor for conductive polymers, organic semiconductors, and other advanced materials due to its electron-rich thiophene core.
• Ligand & Catalyst Development: Employed in the preparation of novel ligands for metal catalysis and in the synthesis of organocatalysts.
• Flavor & Fragrance Industry: Acts as a starting material for creating sulfur-containing aroma compounds, contributing to meaty or roasted notes.
• Chemical Research: A valuable reagent for organic synthesis, including cyclization reactions, cross-coupling, and as a thiol "click chemistry" component.

Basic Information

Product Name	Thiophene-3-Thiol
CAS No.	7774-73-4
Molecular Formula	C4H4S2
Molecular Weight	116.20 g/mol
Synonyms	3-Mercaptothiophene; 3-Thiophenethiol; 3-Thienyl mercaptan; Thiophene-3-thiol; β-Mercaptothiophene; 3-Thienylthiol; Thiophen-3-yl mercaptan; 3-Thiophene thiol
EINECS	231-871-9

Quality Control

Our Thiophene-3-Thiol is produced and handled under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including purity assay and impurity profiling via GC/HPLC, to ensure consistency and reliability for your synthetic applications. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated place. Recommended long-term storage temperature is 2-8°C. Allow the container to reach ambient temperature before opening to minimize moisture ingress.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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