1-Naphthalenesulfonic acid, 4-hydroxy-3-[(2,3,5-trichloro-6-hydroxyphenyl)azo]-, monosodium salt
- CAS NO.:5858-47-9
- Empirical Formula: C16H8Cl3N2NaO5S
- Molecular Weight: 469.65889
- EINECS: 611-705-3
What is 1-Naphthalenesulfonic acid, 4-hydroxy-3-[(2,3,5-trichloro-6-hydroxyphenyl)azo]-, monosodium salt?
Preparation
2-Amino-3,4,6-trichlorophenol diazotization, and 4-Hydroxynaphthalene-1-sulfonic acid coupling.
Properties and Applications
dark purple. Soluble in water for red light purple, right amount soluble in alcohol is purple, insoluble in benzene. In concentrated sulfuric acid for black light green, dilution have orange red precipitation; Slightly soluble in concentrated nitric acid for yellow brown; In a dilute sodium hydroxide solution for yellow red.
Standard | Ironing Fastness | Light Fastness | Fulling | Persperation Fastness | Soaping | Water | |
Alkali | Acid | ||||||
ISO | 3-4 | 6 | 4-5 | 4 | 5 | 5 | 5 |
Safety information for 1-Naphthalenesulfonic acid, 4-hydroxy-3-[(2,3,5-trichloro-6-hydroxyphenyl)azo]-, monosodium salt
New Products
SODIUM AAS SOLUTION ZINC AAS SOLUTION BUFFER SOLUTION PH 10.0(BORATE) GOOCH CRUCIBLE SINTERED AQUANIL 5 BERYLLIUM AAS SOLUTION Azithromycin Imp D Azithromycin EP Impurity C Atracurium Besylate EP Impurity D Azithromycin EP Impurity B Azithromycin EP Impurity O Cetirizine Glycerol Ester Impurity HydrochlorideRelated products of tetrahydrofuran
3-[(3-Carboxy-4-hydroxy-5-methylphenyl)(3-carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)methyl]-6-hydroxy-2,4-dimethylbenzoic acid
1,2,5,8-TETRAHYDROXYANTHRAQUINONE
AURINTRICARBOXYLIC ACID TRISODIUM SALT
C.I. Mordant Violet 35 (8CI)
5-[(3-Carboxy-2-hydroxy-5-methylphenyl)(3-carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)methyl]-2-hydroxy-3-methylbenzoic acid
Benzenesulfonic acid, hydroxy[(2-hydroxy-1-naphthalenyl)azo]methyl-, monosodium salt (9CI)
Mordant Violet 36
Mordant violet 40 (C.I. 14745)
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