1M Material: Y18, OS4490 

Application: Electron acceptor for OPV

 CAS No.: 2477654-49-0 

Chemical Name: 2,2'-((2Z,2'Z)-((6,12,13-tris(2-ethylhexyl)-3,9-dihexyl-12,13-dihydro-6Hthieno[ 2'',3'':4',5']thieno[2',3':4,5]pyrrolo[3,2-g]thieno[2',3':4,5]thieno[3,2- b][1,2,3]triazolo[4,5-e]indole-2,10-diyl)bis(methanylylidene))bis(5,6-difluoro-3- oxo-2,3-dihydro-1H-indene-2,1-diylidene))dimalononitrile 

Lot: DW8068P 

Appearance: Shine purple-black solid 

NMR: Confirmed (see appendix for NMR spectrum) 

Assay: ≥99% 

 Solubility: soluble in chloroform and other selected solvents