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Acid Red 70

Name:C.I.Acid Red 70,C.I.27155 Molecular Structure: Double azo class Molecular Formula:C22H14N4Na2O7S2 Molecular Weight: 556.48 CAS Registry Number:6226-74-0

Acid Red 66

Name:C.I.Acid Red 66,C.I.26905 Molecular Structure: Double azo class Molecular Formula:C22H14N4Na2O7S2 Molecular Weight: 556.48 CAS Registry Number:4196-99-0