Direct Orange 61
Name:C.I.Direct Orange 61,C.I.40210
Molecular Structure: Stilbenes
Molecular Formula:
Molecular Weight:
CAS Registry Number:1325-53-7
Manufacturing Methods : in reflux conditions, sodium hydroxide solution in (E)-2-(2-sulfo-4-nitrostyryl)-5-nitrobenzenesulfonic acid with 3-Aminobenzenesulfonic acid sodium diazo with aniline coupled with heating products.
Properties and Applications: yellow orange. Soluble in water for orange. The strong sulfuric acid for purple, yellow as diluted. The dye solution to join hydrochloric acid color becomes dark; Add sodium hydroxide have orange precipitation. Used for cellulose fiber dyeing, leather and paper color. 80 ℃ dyeing, the largest of the cellulose fibre affinity, good levelness.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
Fading | Stain | Fading | Stain | ||||
ISO | 3-4 | 5 | 6 | 2-3 | 2 |
List of Suppliers:
Direct Orange GNL ( Global Colors Inc. )
Direct Orange GNL (Classic Dyestuffs Inc)
Permalite Orange GNL ( Standard Dyes )
Solar Orange GNL( Clariant GmbH )