Colour Index
-
Name: C.I. Pigment Red 178 CAS: 3049-71-6 C.I. No.: 71155 Synonyms 71155; C.I. Pigment Red 178; 2,9-bis{4-[(E)-phenyldiazenyl]phenyl}isoquino[4',5',6':6,5,10]anthra[2,1,9-def]isoquinoline-1,3,8,10(2H,9H)-tetrone Molecular Formula C48H26N6O4 Molecular Weight 750.7578 InChI InChI=1/C48H26N6O4/c55-45-37-23-19-33-35-21-25-39-44-40(48(58)54(47(39)57)32-17-13-30(14-18-32)52-50-28-9-5-2-6-10-28)26-22-36(42(35)44)34-20-24-38(43(37)41(33)34)46(56)53(45)31-15-11-29(12-16-31)51-49-27-7-3-1-4-8-27/h1-26H CAS Registry Number 3049-71-6 EINECS 221-264-5 Molecular Structure ![3049-71-6 2,9-bis[4-(phenylazo)phenyl]anthra[2,1,9-def:6,5,10-d'e'f']diisoquinoline-1,3,8,10(2H,9H)-tetrone](http://images.chemnet.com/suppliers/chembase/cas3/cas3049-71-6.gif)
Density 1.44g/cm3 Refractive index 1.787
Colour Index Database
