Mordant Orange 3
Name:C.I.Mordant Orange 3,C.I.18840
Molecular Structure: Single azo class
C.I.Mordant Orange 3,C.I.18840,CAS 6359-86-0,441.35,C16H12N5NaO7S,Chrome Orange RLF,Mordant Orange RL,Acid Mordant Orange RL
Molecular Formula:C16H12N5NaO7S
Molecular Weight: 441.35
CAS Registry Number:6359-86-0
Manufacturing Methods : 2-Amino-4-nitrophenol diazotization, and 4-(3-Methyl-5-oxo-4,5-dihydropyrazol-1-yl)benzenesulfonic acid coupling.
Properties and Applications: dark red light orange. Soluble in water for yellow orange. In concentrated sulfuric acid to yellow, to orange after diluted solution, have yellow precipitation; In concentrated sodium hydroxide solution for orange. Mainly used in color matching for top, wool, leather and nylon dyeing, has higher dyeing fastness.
| Standard | Ironing Fastness | Light Fastness | Fulling | Persperation Fastness | Soaping | Water | |
| Alkali | Acid | ||||||
| ISO | 5 | 7 | 4 | 5 | 4-5 | 5 | |
List of Suppliers:
Mordant Orange RL,Acid Mordant Orange RL
Akachrome Orange RLF (Aakash Chemicals & Dyestuffs Inc)
Chrome Orange RLF( Global Colors Inc. )
Fabrichrome Orange RLF( Fabricolor Inc. )