Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name:C.I.Pigment Yellow 188,C.I.21094

Molecular Structure: Double azo

C.I.Pigment Yellow 188,C.I.21094,CAS 23792-68-9,657.55,C34H30Cl2N6O4,Irgalite Yellow LBF

Molecular Formula:C₃₄H₃₀Cl₂N₆O₄

Molecular Weight: 657.55

CAS Registry Number:23792-68-9

Manufacturing Methods : 4-(4-Amino-3-chlorophenyl)-2-chlorobenzenamine double nitrogen, respectively and 3-Oxo-N-phenylbutanamide and N-(2,4-dimethylphenyl)-3-oxobutanamide coupling. This mixed coupling components in addition to production C.I.Pigment Yellow 188 outside, also produce C.I.Pigment Yellow 12 and C.I.Pigment Yellow 13.

Properties and Applications:brilliant green yellow.

List of Suppliers:

Irgalite Yellow LBF( Ciba Specialty Chemicals Inc )

igment Yellow 188(CPMA)