Description

3,3''-Dimethyl-2,2',5',2''-Terthiophene is a high-purity, functionalized oligothiophene derivative, a key building block in advanced materials science. Its value lies in its well-defined conjugated structure, which is essential for tuning electronic and optical properties in semiconducting polymers and small molecules. This compound is critically needed by R&D chemists and material scientists working on organic electronics, including organic field-effect transistors (OFETs), organic photovoltaics (OPVs), and organic light-emitting diodes (OLEDs).

Application

• As a core monomer or intermediate in the synthesis of novel conjugated polymers for plastic electronics.
• In the development of small-molecule organic semiconductors for high-performance thin-film transistors (TFTs).
• As a key precursor for creating donor-acceptor type materials used in organic solar cell (OPV) active layers.
• For research into electroluminescent materials and charge-transport layers in OLED devices.
• As a model compound in spectroscopic studies to understand structure-property relationships in π-conjugated systems.
• In the synthesis of functionalized terthiophenes for sensor applications, including chemical and biological sensing.

Basic Information

Product Name	3,3''-Dimethyl-2,2',5',2''-Terthiophene
CAS No.	81294-15-7
Molecular Formula	C16H14S3
Molecular Weight	310.48 g/mol
Synonyms	5,5''-Dimethyl-2,2':5',2''-Terthiophene; 2,2':5',2''-Terthiophene, 5,5''-dimethyl-; 3,3'-Dimethyl-2,2':5',2''-terthiophene; 5,5''-Dimethylterthiophene; DM3T; α,α''-Dimethylterthiophene
EINECS	Contact for details

Quality Control

Every batch of 3,3''-Dimethyl-2,2',5',2''-Terthiophene is synthesized and purified under controlled conditions to ensure exceptional consistency and purity, typically ≥98% (HPLC). Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C). This material is light-sensitive and should be handled under inert atmosphere when possible for long-term stability.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residual Solvents (GC)	Complies with ICH guidelines

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