Pigment Red 16
Name:C.I.Pigment Red 16,C.I.12500
Molecular Structure: Single azo
Molecular Formula:C28H20N4O5
Molecular Weight: 492.48
CAS Registry Number:6407-71-2
Manufacturing Methods :2-Methoxy-4-nitrobenzenamine diazotization, and 3-Hydroxy-N-(naphthalen-1-yl)-2-naphthamide coupling.
Properties and Applications:blue light red. Red powder. Melting point 315 ℃ (by toluene in the red crystal, Schiller). Insoluble in water. In concentrated sulfuric acid for red, blue fluorescence, dilution after red precipitation. Light fastness is very good, resistance to ethanol and resistance performance of xylene is poor. Mainly used for printing ink and coating color.
Light Fastness | Heat resistance(℃ ) | Sodium carbonate(5%) | Muriatic acid(5%) | Oleic acid | PVC migration | Soap micelle bleeding | |
Melting point | Stable | ||||||
Well | 315 | Good to 140 | unchanging | unchanging | Poor | No |
List of Suppliers:
Permanent Bordeaux F3R ( Hoechst A G )
Suimei Fast Bordeaux F3R( Kaseihin Kogyo Kyokai )
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