Acid Red 180
Name:C.I.Acid Red 180,C.I.18736
Molecular Structure: Single azo,Metal Complexes
C.I.Acid Red 180,C.I.18736,CAS 6408-26-0,430.80,C16H12ClN4NaO5S,Bordeaux RLB,Neutral Red B,Fast Red RNA
Molecular Formula:C16H12ClN4NaO5S
Molecular Weight: 430.80
CAS Registry Number:6408-26-0
Manufacturing Methods : 3-Amino-5-chloro-2-hydroxybenzenesulfonic acid diazo, and 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one coupling, and then in water solution and formic acid chromium heating, in 125 ° C keep 30 to 40 minutes to form chromium complex.
Properties and Applications: red. Soluble in water, ethanol, acetone, insoluble in toluene. The strong sulfuric acid in the dark for the light yellow. In nitric acid for yellow in red.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 6 | 3-4 | 4 | 5 | 3 | 4 | ||
| AATCC | 6 | 3 | 3 | 4-5 | 3 | 3-4 | ||
List of Suppliers:
Intralan Bordeaux RLB 200%( Classic Dyestuffs Inc )
Orcolan Neutral Red B 200%( Classic Dyestuffs Inc )
Palatine Fast Red RNA( Classic Dyestuffs Inc )