Pigment Red 53
Name:C.I.Pigment Red 53,C.I.15585
Molecular Structure: Single azo
Molecular Formula:C17H12Cl2NaO4S
Molecular Weight: 398.80
CAS Registry Number:2092-56-0
Manufacturing Methods :2-Amino-5-chloro-4-methylbenzenesulfonic acid diazotization, and Naphthalen-2-ol coupling.
Properties and Applications:brilliant red light orange. Slightly soluble in water and ethanol, not soluble in acetone and benzene. In concentrated sulfuric acid for cherry red, dilution after brown light red precipitation; In 10% sodium hydroxide solution slightly soluble, for yellow; In the potassium hydroxide ethanol solution for dark brown light red. Pigment solution to join concentrated hydrochloric acid red precipitation; Join concentrated sodium hydroxide solution have brick red precipitation
Light Fastness | Heat resistance(℃ ) | Sodium carbonate(5%) | Muriatic acid(5%) | Oleic acid | PVC migration | Soap micelle bleeding | |
Melting point | Stable | ||||||
Poor to General | Stable to 150 | Well | Good | Well | Bleeding |
List of Suppliers:
Calco Red Lake Toner( Pylam Products Co. Inc. )
Global Pigment Red 53 ( Global Colors Inc. )
Lake Red C ( Kaseihin Kogyo Kyokai )
Lake Red C ( Hoechst A G )
Pigment Red 53(CPMA)