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C.I. Acid Orange 89

C.I. Acid Orange 89 structure

CAS No:
12269-95-3
Chemical Name:
C.I. Acid Orange 89
Synonyms:
C.I. Acid Orange 89;Vialon Fast Orange RL;Vialon Fast Orange R;Eukesolar Orange RL
Categories:
Dyes and Pigments > Dye

C.I. Acid Orange 89 Use and Manufacturing

Methods of Manufacturing

Using 2-amino-4-nitrophenol and 1-phenyl-3-methyl-5-pyrazolone as raw materials, first diazotize 2-amino-4-nitrophenol, and then diazotize it with 1-benzene -3-methyl-5-pyrazolone coupling, followed by adding chromium alum for complexation, filtering, drying and pulverizing to obtain a dry powder of the original dye. The dry powder original dye is dissolved in a mixed solvent of ethylene glycol ether and ethanol, and filtered through sedimentation to obtain the solution dye for packaging.

Uses

Leather spray orange 2RL is mainly used for spraying or curtain finishing of natural leather such as pigskin, cowhide and sheepskin, especially suitable for spraying and coloring of aniline leather.