Description

1,1′-[4,8-Bis[4-(2-Ethylhexyl)-3,5-Difluorophenyl]Benzo[1,2-B:4,5-B′]Dithiophene-2,6-Diyl]Bis[1,1,1-Trimethylstannane] is a high-purity, functionalized organotin monomer critical for advanced polymer synthesis. This compound serves as a key building block in the development of next-generation organic electronic materials, enabling precise control over polymer architecture and properties. It is primarily utilized by R&D chemists and material scientists in the organic photovoltaics (OPV) and organic light-emitting diode (OLED) sectors for creating high-performance semiconducting polymers.

Application

• Organic Photovoltaic (OPV) Materials: As a crucial monomer in Stille polymerization for synthesizing low-bandgap donor polymers used in high-efficiency solar cells.
• Organic Light-Emitting Diodes (OLEDs): For the development of novel electroluminescent polymers and small molecules in display and lighting technologies.
• Organic Field-Effect Transistors (OFETs): Enabling the synthesis of semiconducting polymers with high charge carrier mobility for flexible electronics.
• Polymer Research & Development: A specialized reagent for constructing complex conjugated polymer backbones with tailored electronic and optical properties.
• Material Science: Used in the study of structure-property relationships in π-conjugated systems for advanced functional materials.

Basic Information

Product Name	1,1′-[4,8-Bis[4-(2-Ethylhexyl)-3,5-Difluorophenyl]Benzo[1,2-B:4,5-B′]Dithiophene-2,6-Diyl]Bis[1,1,1-Trimethylstannane]
CAS No.	1840869-83-1
Molecular Formula	C58H72F4S2Sn2
Molecular Weight	1150.88 g/mol
Synonyms	BDT-SnMe3 Monomer; 2,6-Bis(trimethylstannyl)-4,8-bis(4-(2-ethylhexyl)-3,5-difluorophenyl)benzo[1,2-b:4,5-b']dithiophene; BDT(2-EH,3,5-F)-SnMe3; Benzo[1,2-b:4,5-b']dithiophene-2,6-diylbis(trimethylstannane) derivative; Organotin BDT monomer; Fluorinated BDT-Sn monomer; Stille Monomer for Conjugated Polymers
EINECS	Contact for details

Quality Control

This high-value electronic chemical is produced under strict inert atmosphere conditions to ensure purity and batch-to-batch consistency. Every lot undergoes comprehensive analysis including NMR (1H, 13C, 19F, 119Sn), HPLC purity, and elemental analysis to confirm identity and specification. A detailed Certificate of Analysis (COA) documenting all test results is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (argon or nitrogen) at 2-8°C in a dedicated freezer. This compound is sensitive to light, moisture, and oxygen. Allow the sealed container to equilibrate to room temperature before opening to prevent condensation. Keep away from strong bases and incompatible materials.

Specification

Item	Specification
Appearance	Yellow to orange solid
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Tin Content	Conforms to theoretical
Residual Solvents (GC)	< 0.5% total

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