| Identification | Back Directory | [Name]
7-[[4-[(2,4-Diamino-5-nitrophenyl)azo]benzoyl]amino]-4-hydroxy-3-[(4-sodiosulfophenyl)azo]naphthalene-2-sulfonic acid sodium salt | [CAS]
6798-02-3 | [Synonyms]
C.I.26280
Direct Orange 3
Dianil Orange GS
C.I.Direct Orange 3
C.I.Direct Orange 3:C.I.26280
7-[[4-[(2,4-Diamino-5-nitrophenyl)azo]benzoyl]amino]-4-hydroxy-3-[(4-sodiosulfophenyl)azo]naphthalene-2-sulfonic acid sodium salt | [Molecular Formula]
C29H22N8O10S2.2Na | [MOL File]
6798-02-3.mol | [Molecular Weight]
752.65 |
| Hazard Information | Back Directory | [Preparation]
4-Aminobenzenesulfonic acid diazo, and 7-(4-Aminobenzamido)-4-hydroxynaphthalene-2-sulfonic acid?coupling, and then diazo, and 4-Nitrobenzene-1,3-diamine coupling between. | [Properties and Applications]
bright orange. Soluble in water for orange, and adequate soluble in alcohol for golden brown to orange. The strong sulfuric acid for blue-ray in red, orange for gold after diluted. The dye solution to join strong hydrochloric acid for gold orange; With strong sodium hydroxide solution for palm light orange. Can be used for cellulose fiber dyeing. Neutral and alkaline white is good, good levelness.
|
Standard
|
Acid Resistance
|
Alkali Resistance
|
Light Fastness
|
Soaping
|
Water
|
|
Fading
|
Stain
|
Fading
|
Stain
|
|
ISO
|
5
|
4
|
3
|
2-3
|
|
2-3
|
|
|
|
|