CAS No: 3905-19-9;71819-52-8, Chemical Name: Cromophtal Scarlet R (CGY)
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3905-19-9;71819-52-8 Cromophtal Scarlet R (CGY)

product Name Cromophtal Scarlet R (CGY)
Synonyms C.I.Pigment Red 166; P.R.166; Disazo Scarlet; Cromophtal Scarlet R; 2-Naphthalenecarboxamide,N,N'-1,4-phenylenebis[4-[(2,5-dichlorophenyl)azo]-3-hydroxy-; Pigment Red 166; C.I. 20730
Molecular Formula C40H24Cl4N6O4
Molecular Weight 794.4684
InChI InChI=1/C40H24Cl4N6O4/c41-23-9-15-31(43)33(19-23)47-49-35-27-7-3-1-5-21(27)17-29(37(35)51)39(53)45-25-11-13-26(14-12-25)46-40(54)30-18-22-6-2-4-8-28(22)36(38(30)52)50-48-34-20-24(42)10-16-32(34)44/h1-20,51-52H,(H,45,53)(H,46,54)
CAS Registry Number 3905-19-9;71819-52-8
EINECS 223-460-6
Molecular Structure 3905-19-9;71819-52-8 Cromophtal Scarlet R (CGY)
Refractive index 1.72
Hazard Symbols
Risk Codes
Safety Description