6,6-Dichloro-7,7-dimethyl-Δ2,2(3H,3H)-bibenzo[b]thiophene-3,3-dione is a chemical compound registered under CAS number 6371-27-3. It is also known as Algol Red BB; C.I.73380; Helindon Red R. KingChemi supplies 6,6-Dichloro-7,7-dimethyl-Δ2,2(3H,3H)-bibenzo[b]thiophene-3,3-dione for laboratory research and bulk production; product code 810555. Send an inquiry for purity, packaging, price and lead time.