2-[[1-Hydroxy-6-[[[[5-hydroxy-6-[(2-hydroxy-5-nitrophenyl)azo]-7-sulfo-2-naphtyl]amino]carbonyl]amino]-3-sulfo-2-naphtyl]azo]benzoic acid trisodium salt
2-[[1-Hydroxy-6-[[[[5-hydroxy-6-[(2-hydroxy-5-nitrophenyl)azo]-7-sulfo-2-naphtyl]amino]carbonyl]amino]-3-sulfo-2-naphtyl]azo]benzoic acid trisodium salt Basic information
- Product Name:
- 2-[[1-Hydroxy-6-[[[[5-hydroxy-6-[(2-hydroxy-5-nitrophenyl)azo]-7-sulfo-2-naphtyl]amino]carbonyl]amino]-3-sulfo-2-naphtyl]azo]benzoic acid trisodium salt
- Synonyms:
-
- 2-[[1-Hydroxy-6-[[[[5-hydroxy-6-[(2-hydroxy-5-nitrophenyl)azo]-7-sulfo-2-naphtyl]amino]carbonyl]amino]-3-sulfo-2-naphtyl]azo]benzoic acid trisodium salt
- C.I.29168
- C.I.Direct Red 250
- Direct Red 250
- C.I.Direct Red 250:C.I.29168
- CAS:
- 82944-45-4
- MW:
- 0
- Mol File:
- 82944-45-4.mol
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2-[[1-Hydroxy-6-[[[[5-hydroxy-6-[(2-hydroxy-5-nitrophenyl)azo]-7-sulfo-2-naphtyl]amino]carbonyl]amino]-3-sulfo-2-naphtyl]azo]benzoic acid trisodium salt Usage And Synthesis
Preparation
2-Aminobenzoic acid?diazo, coupled with N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea, 2-Amino-4-nitrophenol diazo, and generated coupled product matches.
Properties and Applications
blue-ray red.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 6-7 | 4-5 | 4 | 5 | 5 | ||