C.I. Direct Orange 31
C.I. Direct Orange 31 Basic information
- Product Name:
- C.I. Direct Orange 31
- Synonyms:
-
- C.I. Direct Orange 31
- 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
- C.I.23655
- Direct Orange 31
- Diaphtamine Fast Orange PRS
- C.I.Direct Orange 31:C.I.23655
- CAS:
- 6420-03-7
- MF:
- C31H27N6NaO7S
- MW:
- 650.64
- Mol File:
- 6420-03-7.mol
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C.I. Direct Orange 31 Usage And Synthesis
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 | ||
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C.I. Direct Orange 31(6420-03-7)Related Product Information
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- sodium 2-[4-[[2,4-dihydroxy-3-(phenylazo)phenyl]azo]phenyl]-6-methylbenzothiazole-7-sulphonate
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- disodium (3Z)-5-methyl-3-[[2-methyl-4-[3-methyl-4-[[3-methyl-5-oxo-1-(4-sulfonatophenyl)-4H-pyrazol-4-yl]diazenyl]phenyl]phenyl]hydrazinylidene]-6-oxo-cyclohexa-1,4-diene-1-carboxylate
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- 7-[[4-[(2,4-Diamino-5-nitrophenyl)azo]benzoyl]amino]-4-hydroxy-3-[(4-sodiosulfophenyl)azo]naphthalene-2-sulfonic acid sodium salt
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