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  • 767646 - 2,6-Ditolylbenzo[1,2-b:4,5-b′]dithiophene

767646 Sigma-Aldrich


sublimed grade, 95%

Synonym: DT-BDT

  • CAS Number 1134942-20-3

  • Empirical Formula (Hill Notation) C24H18S2

  • Molecular Weight 370.53

  •  MDL number MFCD22666454

  •  PubChem Substance ID 329767326

  •  NACRES NA.23



Related Categories Materials Science, Organic Field Effect Transistor (OFET) Materials, Organic and Printed Electronics, Sublimed Materials, p-Type Organic Semiconductors,
Quality Level   100
grade   sublimed grade
assay   95%
form   powder or crystals
mp   427-432 °C
semiconductor properties   P-type (mobility=10−2 cm2/V·s)
SMILES string   Cc1ccc(cc1)-c2cc3cc4sc(cc4cc3s2)-c5ccc(C)cc5
InChI   1S/C24H18S2/c1-15-3-7-17(8-4-15)21-11-19-13-24-20(14-23(19)25-21)12-22(26-24)18-9-5-16(2)6-10-18/h3-14H,1-2H3



Organic Field Effect Transistor (OFET) Materials; p-Type Organic Semiconductors; p-Type Small Molecules; sublimed grade materials


100 mg in glass insert

500 mg in glass bottle


Kuwabara, Hirokazu; Yui, Tatuto; Ikeda, Masaaki; Takimiya, Kazuo.
Organic field effect transistor. PCT Int. Appl. (2009), 41pp. CODEN: PIXXD2 WO 2009038120 A1 20090326

Legal Information

Product of Nippon Kayaku

Safety & Documentation

Safety Information

GHS07  GHS07
Signal word 
Hazard statements 
NONH for all modes of transport
WGK Germany 
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable


Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Protocols & Articles


Development of Small Molecule Donors for Solution-Processed Organic Solar Cells

Abby-Jo Payne and Gregory C. Welch Dalhousie University, Department of Chemistry 6274 Coburg Road, Halifax, Nova Scotia, Canada B3H 4R2 Email: gregory.welch@dal.ca
Keywords: Absorption, Bacterial conjugations, Building blocks, Deposition, Infrared spectroscopy, Nucleic acid annealing, Phase transitions, Separation, Solar cells, Solvents, Substitutions

Flexible Organic Transistors for Biomedical Applications

Tsuyoshi Sekitani,* Kazunori Kuribara, Tomoyuki Yokota, Takao Someya Department of Electric and Electronic Engineering, Department of Applied Physics, School of Engineering University of Tokyo, 7-3-1...
Keywords: Absorption, Building blocks, Degradations, Diffraction, Electronics, Evaporation, Microscopy, Nucleic acid annealing, Oxidations, Reductions, Semiconductor, Solar cells, Spectroscopy, Sterilizations, X-Ray diffraction

Plexcore® Organic Conductive Inks

Employing the regioselective polymerization techniques used to make P3HTs, Plextronics has developed a self-doping polymer poly(thiophene-3-[2[(2-methoxyethoxy)ethoxy]-2,5-diyl) (Figure 1), which is ...
Keywords: Degradations, Infrared spectroscopy, Polymerization reactions

Polymer Semiconductors for Intrinsically Stretchable Organic Transistors

Department of Chemical Engineering, Stanford University, Stanford, CA 94305-5025, USA *E-mail: zbao@stanford.edu
Ging-Ji Nathan Wang, Zhenan Bao*
Material Matters, 2017, 12.3
Keywords: Bacterial conjugations, Crystallization, Degradations, Diffraction, Electronics, Hydrogenations, Microscopy, Nucleic acid annealing, Optical microscopy, Organic electronics, Polymerization reactions, Semiconductor, Separation, Solar cells, X-Ray diffraction

Sublimed Materials for Organic Electronic Devices

Organic field-effect transistors (OFETs) have attracted considerable attention due to their potential for realizing large-area, mechanically flexible, lightweight and low-cost devices. One of the key...
Ajay Virkar, Zhenan Bao

Department of Chemical Engineering,
Stauffer III, 381 North-South Mall,
Stanford University, Stanford, CA 94305-5025
Keywords: Calorimetry, Electronics, Evaporation, High performance liquid chromatography, Organic electronics, Purification, Semiconductor, Sublimation

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