| Identification | Back Directory | [Name]
C.I. Direct Orange 31 | [CAS]
6420-03-7 | [Synonyms]
C.I.23655
Direct Orange 31
C.I. Direct Orange 31
Diaphtamine Fast Orange PRS
C.I.Direct Orange 31:C.I.23655
5-[[4'-[[4,5-Dihydro-3-methyl-5-oxo-1-(4-sulfophenyl)-1H-pyrazol-4-yl]azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid disodium salt | [Molecular Formula]
C31H27N6NaO7S | [MOL File]
6420-03-7.mol | [Molecular Weight]
650.64 |
| Hazard Information | Back Directory | [Preparation]
3,3′-Dimethylbenzidine?double nitriding, respectively with?2-Hydroxybenzoic acid and 4-(3-Methyl-5-oxo-4,5-dihydropyrazol-1-yl)benzenesulfonic acid coupling. | [Properties and Applications]
red light orange. Used for cellulose fiber dyeing, good levelness, white the gender is good.
|
Standard
|
Acid Resistance
|
Alkali Resistance
|
Light Fastness
|
Soaping
|
Water
|
|
Fading
|
Stain
|
Fading
|
Stain
|
|
ISO
|
4
|
3-4
|
3
|
2-3
|
|
3
|
|
|
|
|