Acid Black 241
Name:C.I.Acid Black 241,C.I.30024
Molecular Structure: trisazo class
C.I.Acid Black 241,C.I.30024,CAS 84170-03-6,750.63,C28H20N10Na2O9S2,Black FS
Molecular Formula:C28H20N10Na2O9S2
Molecular Weight: 750.63
CAS Registry Number:84170-03-6
Manufacturing Methods : 4-Nitrobenzenamine diazo, in acid conditions coupled with 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid, N-(4-aminophenyl)acetamide diazo, in alkaline conditions and the above the products of coupling, hydrolysis acetyl groups, again diazo,and Benzene-1,3-diamine coupled .
Properties and Applications: black. Mainly used for leather color.
| Standard(leather) | Light Fastness | Soaping | Persperation Fastness(Alkali) | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 3-4 | 4-5 | 2-3 | |||||
List of Suppliers:
Coriamin Black FS( Ciech SA )
Coriamine Black FS( Ciech SA )