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Product Code B431-500mg
Price £300 ex. VAT

High-purity synthesis intermediate

Has been used in tandem organic solar cells applications


Specifications | MSDS | Literature and Reviews


2,6-Bis(trimethylstannyl)-4,8-bis(5-(tripropylsilyl)thiophen-2-yl)benzo[1,2-b:4,5-b’]dithiophene, also referred to as BDT-Th(TPS)-Sn, has been used for the synthesis of J61 and J71 in the application of tandem organic solar cells.

General Information


CAS Number 2035466-88-5
Chemical Formula C42H66S4Si2Sn2
Molecular Weight 992.82 g/mol
Synonyms 2,6-Bis(trimethylstannyl)-4,8-bis(5-(tripropylsilyl)thiophen-2-yl)benzo[1,2-b:4,5-b’]dithiophene
Classification / Family Thiophene, Fused thiophene, Semiconductor synthesis intermediates, Low band-gap polymers, OFETs, Organic photovoltaics, polymer solar cells

Chemical Structure


BDT-TPSTh, 2035466-88-5,  2,6-bis(trimethyltin)-(4,8-bis(5-(tripropylsilyl)thiophen-2-yl)benzo[1,2-b:4,5-b’]dithiophene)
Chemical structure of BDT-Th(TPS)-Sn, CAS 2035466-88-5

Product Details


Purity >98% (by 1H NMR in CDCl3)
Melting Point N/A
Appearance White powder/crystals

MSDS Documentation


BDT-Th(TPS)-Sn MSDSBDT-Th(TPS)-Sn MSDS Sheet

Literature and Reviews


  1. 11.4% Efficiency non-fullerene polymer solar cells with trialkylsilyl substituted 2D-conjugated polymer as donor, H. Bin et al., Nat. Commun., 7:13651 (2016); DOI: 10.1038/ncomms13651.
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