Direct Red 250
Name:C.I.Direct Red 250,C.I.29168
Molecular Structure: Double azo class
C.I.Direct Red 250,C.I.29168,CAS 82944-45-4,883.66,C34H20N7Na3O14S2,Eniacuprol Bordeaux BCL
Molecular Formula:C34H20N7Na3O14S2
Molecular Weight: 883.66
CAS Registry Number:82944-45-4
Manufacturing Methods : 2-Aminobenzoic acid diazo, coupled with N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea, 2-Amino-4-nitrophenol diazo, and generated coupled product matches.
Properties and Applications: blue-ray red.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 6-7 | 4-5 | 4 | 5 | 5 | ||
List of Suppliers:
Eniacuprol Bordeaux BCL( Enia Industries Quimicas S.A. )