FREE shipping to on qualifying orders when you spend or more. All prices ex. VAT.
We are currently open and operating as normal. Orders are being processed and dispatched on a daily basis. Click for more information.


Product Code B731
Price £300.00

CDT-EH-Sn, namely 4,4-Bis(2-ethylhexyl)-2,6-bis(trimethylstannyl)-4H-cyclopenta[2,1-b:3,4-b']dithiophene, is the intermediate for the synthesis of low bandgap semiconducting polymers which are widely used in OLED, OPV and OFET devices.

4H-Cyclopenta[1,2-b:5,4-b']dithiophene (CDT) has electron rich bridged bithiophenes with a five member cyclopentadiene fused ring at its central core.

General Information

CAS number 920504-00-3
Chemical formula C31H54S2Sn2
Molecular weight 728.3 g/mol
Full name 4,4-Bis(2-ethylhexyl)-2,6-bis(trimethylstannyl)-4H-cyclopenta[2,1-b:3,4-b']dithiophene
Synonyms CDT26-2Sn, 2,6-Bis(trimethyltin)-4,4-bis(2-ethylhexyl)-4H-cyclopenta[2,1-b:3,4-b']dithiophene
Classification / Family cyclopenta[2,1-b:3,4-b']dithiophene (CDT) derivatives, Organic semiconducting materials, Semiconductor Synthesis, Low band gap polymers, Organic Photovoltaics.

Product Details

Purity 97%
Boiling point Not available
Appearance Yellowish liquid
CDT-EH-Sn, 2,6-bis(trimethyltin)-4,4-bis(2-ethylhexyl)-4h-cyclopenta[2,1-b:3,4-b']dithiophene
Chemical structure of CDT-EH-Sn, CAS No. 920504-00-3

MSDS Documentation

CDT-EH-Sn MSDS sheet

Literature and Reviews

  1. Photoconductivity of a Low-Bandgap Conjugated Polymer, C. Soci et al., Adv. Funct. Mater., 17, 632–636 (2007); DOI: 10.1002/adfm.200600199.
  2. Synthesis and Characterization of Bridged Bithiophene-Based Conjugated Polymers for Photovoltaic Applications: Acceptor Strength and Ternary Blends, C-H. Chen et al., Macromolecules, 43, 697–708 (2010); DOI: 10.1021/ma902206u.
  3. Panchromatic Conjugated Polymers Containing Alternating Donor/Acceptor Units for Photovoltaic Applications, Z. Zhu et al., Macromolecules, 40, 6, 1981–1986 (2007); DOI: 10.1021/ma062376o..

To the best of our knowledge the information provided here is accurate. However, Ossila assume no liability for the accuracy of this page. The values provided are typical at the time of manufacture and may vary over time and from batch to batch. All products are for laboratory and research and development use only, and may not be used for any other purpose including health care, pharmaceuticals, cosmetics, food or commercial applications.

Return to the top