Description

Diethyl 2-(2-Thienylmethylidene)Malonate is a versatile organic intermediate characterized by its reactive malonate ester and thiophene-based structure. This compound is valued for its role as a key building block in the synthesis of complex heterocyclic molecules and functional materials. It is primarily sought after by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for developing new active ingredients and advanced polymers.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates, particularly those containing thiophene or fused heterocyclic ring systems for therapeutic applications.
• Agrochemical Synthesis: Used in the development of advanced pesticides and herbicides, where the thienyl moiety can contribute to biological activity and selectivity.
• Material Science Research: Serves as a monomer or functional building block for creating conjugated polymers and organic electronic materials with potential use in semiconductors or sensors.
• Fine Chemical Production: Employed in multi-step organic synthesis to construct complex molecular architectures for flavors, fragrances, and specialty chemicals.
• Academic & R&D: A valuable reagent for methodological development in organic chemistry and for exploring new reaction pathways in laboratory settings.

Basic Information

Product Name	Diethyl 2-(2-Thienylmethylidene)Malonate
CAS No.	30313-06-5
Molecular Formula	C12H14O4S
Molecular Weight	254.30 g/mol
Synonyms	Diethyl (2-thienylmethylene)malonate; 2-(2-Thienylmethylene)malonic Acid Diethyl Ester; Diethyl 2-[(thiophen-2-yl)methylidene]propanedioate; Propanedioic acid, 2-[(2-thienyl)methylene]-, diethyl ester; Diethyl (2-thienylmethylidene)malonate; (2-Thienylmethylene)malonic Acid Diethyl Ester
EINECS	Contact for details

Quality Control

Our Diethyl 2-(2-Thienylmethylidene)Malonate is manufactured under strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced chromatographic and spectroscopic techniques. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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