7,7-Diamino-5,5-dichloro-Δ2,2(3H,3H)-bibenzo[b]thiophene-3,3-dione is a chemical compound registered under CAS number 6371-13-7. It is also known as 7-Amino-2-(7-amino-5-chloro-3-oxobenzo[b]thiophen-2(3H)-ylidene)-5-chlorobenzo[b]thiophen-3(2H)-one; C.I.73320; Helindon Grey BR. DeWeiChem supplies 7,7-Diamino-5,5-dichloro-Δ2,2(3H,3H)-bibenzo[b]thiophene-3,3-dione for laboratory research and bulk production; product code 381140. Send an inquiry for purity, packaging, price and lead time.