Pigment Yellow 5
Name:C.I.Pigment Yellow 5,C.I.11660
Molecular Structure: Single azo
C.I.Pigment Yellow 5,C.I.11660,CAS 4106-67-6,326.31,C16H14N4O4,Fast Yellow 5G,Pigment Yellow 5G,Yellow 5G
Molecular Formula:C16H14N4O4
Molecular Weight: 326.31
CAS Registry Number:4106-67-6
Manufacturing Methods :2-Nitrobenzenamine diazotization, and 3-Oxo-N-phenylbutanamide coupling.
Properties and Applications:brilliant green yellow. Green light yellow powder, melting point 206 ℃. Soluble in ethanol, acetone and benzene. In concentrated sulfuric acid for light yellow, dilution after light yellow precipitation; In 10% of sodium hydroxide solution for deep yellow. Bright color, light fastness medium, the solvent resistance and heat resistance is poor. Mainly used in coating, printing ink, rubber, plastic and cultural and educational supplies coloring.
| Light Fastness | Heat resistance(℃ ) | Sodium carbonate(5%) | Muriatic acid(5%) | Oleic acid | PVC migration | Soap micelle bleeding | |
| Melting point | Stable | ||||||
| Good | 206 | Poor(Sublimation) | 4-5 | 5 | 4 | 4 | |
List of Suppliers:
Fast Yellow 5G,Pigment Yellow 5G
Fast Yellow 5G(Sinochem Liaoning Import & Export Corporation)
Hansa Yellow 5G( IG Farbenindustrie AG )
Sandal Yellow 5G( Sandal Dyestuff Industries (Pvt) Ltd )
Suimei Fast Yellow 5G( Kaseihin Kogyo Kyokai )