Description

3-Thiopheneacetic Acid is a versatile heterocyclic building block and organic synthetic intermediate of significant commercial importance. Its core value lies in its reactive carboxylic acid group attached to the thiophene ring, enabling its use in the synthesis of complex molecules across advanced industries. This compound is essential for research and production in pharmaceuticals, agrochemicals, and materials science. Global B2B buyers rely on a consistent, high-purity supply of 3-Thiopheneacetic Acid CAS NO 6964-21-2 to ensure the integrity of their downstream processes and final products.

Application

The unique structure of 3-Thiopheneacetic Acid makes it a critical precursor in several high-value chemical sectors.

• Pharmaceutical Intermediates: Key building block for the synthesis of active pharmaceutical ingredients (APIs), particularly those containing thiophene moieties for various therapeutic applications.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and fungicides, where the thiophene ring contributes to biological activity.
• Material Science & Organic Electronics: Serves as a monomer or precursor for conductive polymers, organic semiconductors, and non-linear optical (NLO) materials.
• Ligand & Catalyst Development: Employed in the creation of specialized ligands for metal catalysis and coordination chemistry.
• Fine Chemical & Flavor/Fragrance Synthesis: Acts as an intermediate in the production of complex fine chemicals and aroma compounds.
• Research & Development: A fundamental reagent in organic chemistry R&D for exploring new synthetic methodologies and compound libraries.

Basic Information

Product Name	3-Thiopheneacetic Acid
CAS No.	6964-21-2
Molecular Formula	C6H6O2S
Molecular Weight	142.18 g/mol
Synonyms	3-Thienylacetic Acid; (3-Thienyl)acetic Acid; 3-Thiophenecarboxylic Acid, Methyl-; 3-Thiophene Acetic Acid; β-(3-Thienyl)acetic Acid; 2-(Thiophen-3-yl)acetic Acid; NSC 404083; Thiophene-3-acetic Acid
EINECS	230-163-8

Quality Control

Our 3-Thiopheneacetic Acid is manufactured under strict quality management systems to ensure batch-to-batch consistency and reliability. We employ advanced analytical techniques, including HPLC, GC, and NMR, to verify identity, purity, and the absence of critical impurities. A comprehensive Certificate of Analysis (COA) detailing all specification parameters is provided with each shipment. Our quality commitment supports compliance with relevant global standards for industrial and research applications.

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, strong bases, and heat sources. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	76 - 80 °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.