Direct Brown 123
Name:C.I.Direct Brown 123,C.I.35030
Molecular Structure: Multi-azo class
Molecular Formula:C30H19N10NaO11S
Molecular Weight: 750.59
CAS Registry Number:
Manufacturing Methods : 4-Nitrobenzenamine diazo, and Resorcinol coupling, 2,4-Diaminobenzenesulfonic acid double nitriding, and formation of accidentally nitrogen compounds (2 Moore) coupled.
Properties and Applications: red light brown. Soluble in water for yellow light brown. The strong sulfuric acid is palm in light orange, for yellow brown after diluted, precipitation. The dye solution to join strong hydrochloric acid have yellow brown precipitation.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
Fading | Stain | Fading | Stain | ||||
AATCC | 5 | 3 | 2 | 4 | 5 |
List of Suppliers:
Diazine Brown CBS( Allied chemical Corporation )