Direct Red 176
Name:C.I.Direct Red 176,C.I.29172
Molecular Structure: Double azo class
Molecular Formula:C33H20N8Na2O15S2
Molecular Weight: 878.67
CAS Registry Number:61968-53-4
Manufacturing Methods : 2-Amino-4-nitrophenol (2 Moore) diazo, coupled with N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea.
Properties and Applications: blue and red to red light purple.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
Fading | Stain | Fading | Stain | ||||
ISO | 1 | 4-5 | 6-7 | 4 | 5 | ||
AATCC | 2 | 4 | 5-6 | 4 | 5 |
List of Suppliers:
Coprantine Bordeaux 2BLL
Eniacuprol Bordeaux 3BCL( Enia Industries Quimicas S.A. )