Description

Dinaphtho2,1-C:1,2-E1,2Dithiin, 2,5-Dimethyl- CAS NO 190841-69-1 is a specialized organic sulfur heterocycle, a derivative of dinaphthodithiin. This compound matters as a high-value chemical intermediate and building block, prized for its unique fused aromatic structure which imparts specific electronic and photophysical properties. It is needed by researchers and manufacturers in the fields of organic electronics, advanced material science, and pharmaceutical development for creating novel functional molecules.

Application

• As a key synthetic intermediate in the development of organic semiconductors and conductive polymers.
• In the research and production of advanced optoelectronic materials, such as those used in OLEDs (Organic Light-Emitting Diodes) and photovoltaic cells.
• As a building block for ligands and catalysts in transition metal catalysis for complex organic transformations.
• For the synthesis of novel pharmaceutical candidates and bioactive molecules that leverage its rigid, polycyclic framework.
• In material science research for creating liquid crystals or other structured organic materials with tailored properties.
• As a reference standard or analytical reagent in chemical analysis and quality control laboratories.

Basic Information

Product Name	Dinaphtho2,1-C:1,2-E1,2Dithiin, 2,5-Dimethyl-
CAS No.	190841-69-1
Molecular Formula	C22H14S2
Molecular Weight	342.48 g/mol
Synonyms	2,5-Dimethyldinaphtho[2,1-c:1',2'-e][1,2]dithiin; Dinaphtho[2,1-c:1',2'-e][1,2]dithiin, 2,5-dimethyl-; 2,5-Dimethyl-dinaphtho[2,1-c:1',2'-e][1,2]dithiin; 2,5-Dimethylbenzo[1,2-b:4,5-b']bis[1]benzothiophene (alternative structural naming); Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our Dinaphtho2,1-C:1,2-E1,2Dithiin, 2,5-Dimethyl- is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your research and quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95% (Typical 97-99%)
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.