| Identification | Back Directory | [Name]
sodium 4-[[2,4-dihydroxy-3-(phenylazo)phenyl]azo]benzenesulphonate | [CAS]
5850-13-5 | [Synonyms]
Acid Orange 25
Acid orange 25 (C.I. 20160)
C.I.Acid Orange 25:C.I.20160
sodium 4-[[2,4-dihydroxy-3-(phenylazo)phenyl]azo]benzenesulphonate
4-[(2E)-2-[(5Z)-4,6-dioxo-5-(phenylhydrazinylidene)cyclohex-2-en-1-ylidene]hydrazinyl]benzenesulfonate
sodium,4-[(2E)-2-[(5Z)-4,6-dioxo-5-(phenylhydrazinylidene)cyclohex-2-en-1-ylidene]hydrazinyl]benzenesulfonate | [EINECS(EC#)]
227-445-5 | [Molecular Formula]
C18H13N4NaO5S | [MOL File]
5850-13-5.mol | [Molecular Weight]
420.374 |
| Hazard Information | Back Directory | [Preparation]
4-Aminobenzenesulfonic acid diazo, Coupled with resorcinol, its product again with diazo of aniline coupling. | [Properties and Applications]
orange to red light orange. Used for wool, silk fiber dyeing etc, also used in leather dyeing.
|
Standard
|
Light Fastness
|
Soaping
|
Persperation Fastness
|
Oxygen bleaching
|
Fastness to seawater
|
|
Fading
|
Stain
|
Fading
|
Stain
|
Fading
|
Stain
|
|
ISO
|
2-3
|
3
|
|
2
|
1
|
|
2-3
|
|
|
|
|