| | Identification | Back Directory |  | [Name] 
 Chromate(3-), [3-[[4,5-dihydro-3-methyl-5-(oxo-κO)-1-phenyl-1H-pyrazol-4-yl]azo-κN1]-2-(hydroxy-κO)-5-nitrobenzenesulfonato(3-)][2-(hydroxy-κO)-3-[[[2-(hydroxy-κO)phenyl]methylene]amino-κN]-5-nitrobenzenesulfonato(3-)]-, disodium hydrogen
 |  | [CAS] 
 83335-08-4
 |  | [Synonyms] 
 Acid Orange 148
 C.I.Acid Orange 148:C.I.18746
 Chromate(3-), [3-[[4,5-dihydro-3-methyl-5-(oxo-κO)-1-phenyl-1H-pyrazol-4-yl]azo-κN1]-2-(hydroxy-κO)-5-nitrobenzenesulfonato(3-)][2-(hydroxy-κO)-3-[[[2-(hydroxy-κO)phenyl]methylene]amino-κN]-5-nitrobenzenesulfonato(3-)]-, disodium hydrogen
 |  | [EINECS(EC#)] 
 617-456-7
 |  | [Molecular Formula] 
 C29H18CrN7NaO14S2-
 |  | [MOL File] 
 83335-08-4.mol
 |  | [Molecular Weight] 
 827.6
 | 
 | Hazard Information | Back Directory |  | [Preparation] 
 (a) the preparation methods of 3-Amino-2-hydroxy-5-nitrobenzenesulfonic acid diazo, then and 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one coupled; (b) the preparation method of 2-Hydroxybenzaldehyde?and 3-Amino-2-hydroxy-5-nitrobenzenesulfonic aci?condensation (With chlorine or a methoxy group instead of nitro dye obtained similar); Then use a chrome atoms and molecules of the a and b complex compounds.
 |  | [Properties and Applications] 
 red orange.
 
 
 
 
 | Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater |  
 | Fading | Stain | Fading | Stain | Fading | Stain |  
 | ISO | 6-7 | 4-5 | 5 | 4-5 |  |  | 4-5 | 4-5 |  | 
 |  |