Mordant Brown 98
Name:C.I.Mordant Brown 98,C.I.13255
Molecular Structure: Single azo class
C.I.Mordant Brown 98,C.I.13255,420.29,C12H9N6NaO8S,Acid Alizarine Brown RP,Chrome Brown R
Molecular Formula:C12H9N6NaO8S
Molecular Weight: 420.29
CAS Registry Number:
Manufacturing Methods : 2-Amino-4,6-dinitrophenol diazotization, and 2,4-Diaminobenzenesulfonic acid coupling.
Properties and Applications: dark brown. Soluble in water for orange brown, slightly soluble in ethanol for red light brown. In concentrated sulfuric acid for magenta, after dilution to golden brown.
| Standard | Ironing Fastness | Light Fastness | Fulling | Persperation Fastness | Soaping | Water | |
| Alkali | Acid | ||||||
| ISO | 5 | 4 | 4,5(ISO2) | 5 | |||
List of Suppliers:
Acid Alizarine Brown RP ( Farbwerke vorm. Meister Lucius &Brtining )
Chrome Brown R( Joint Stock Company ‘Coioros’ )