It is a kind of compound modified by pigments and inorganic pigments. It has bright color, good pigment characteristics, and high coloring power and hiding power. Light resistance reaches grade 6-7. The thermal stability is general, and changes when it is heated to 170 ℃. It is mainly used for coloring building materials, water-based coatings, plastics, etc.

Acid Yellow 12

CAS:6359-84-8

Molecular Formula:C17H15N4NaO4S

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C.I.18830; 4-[4,5-Dihydro-3-Methyl-4-[(4-Methylphenyl)azo]-5-oxo-1H-Pyrazol-1-yl]Benzenesulfonic acid Sodium salt; C.I.Acid Yellow 12

Mordant Red 94

CAS:61931-83-7

Molecular Formula:C17H14N5NaO7S

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C.I.Mordant Red 94; C.I.18841; Benzenesulfonic acid,4-(4,5-Dihydro-4-(2-(2-Hydroxy-5-Methyl-3-Nitrophenyl)Diazenyl)-3-Methyl-5-oxo-1H-Pyrazol-1-yl)-,Sodium salt (1:1); Einecs 263-340-0; Sodium p-(4,5-Dihydro-4-((2-Hydroxy-5-Methyl-3-Nitrophenyl)azo)-3-Methyl-5-oxo-1H-Pyrazol-1-yl)Benzenesulphonate

Direct Yellow 17

CAS:6537-65-1

Molecular Formula:C31H20N6Na2O7S4

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C.I.18855; C.I.Direct Yellow 17; 2'-[4-[[4,5-Dihydro-3-Methyl-5-oxo-1-(4-Sulfophenyl)-1H-Pyrazol-4-yl]azo]Phenyl]-6-Methyl-2,6'-Bibenzothiazole-7-Sulfonic acid Disodium salt

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