Solvent Yellow 21
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Solvent Yellow 21
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CAS No:
5601-29-6
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Formula:
C34H24CrN8O6.H
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Chemical Name:
Solvent Yellow 21
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Synonyms:
Chromate(1-),bis[2-[2-[4,5-dihydro-3-methyl-5-(oxo-κO)-1-phenyl-1H-pyrazol-4-yl]diazenyl-κN1]benzoato(2-)-κO]-,hydrogen (1:1);Chromate(1-),bis[2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]benzoato(2-)]-,hydrogen;Chromium,bis[o-[(5-hydroxy-3-methyl-1-phenylpyrazol-4-yl)azo]benzoato]-;Chromate(1-),bis[2-[[4,5-dihydro-3-methyl-5-(oxo-κO)-1-phenyl-1H-pyrazol-4-yl]azo-κN1]benzoato(2-)-κO]-,hydrogen;Benzoic acid,2-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-,chromium complex;Fenaplex Yellow NR;Neutralan Yellow G;Neutrichrome Yellow JRL;Orasol Yellow GRLN;Supralan Yellow NR;Zapon Fast Yellow R;C.I. Solvent Yellow 21;Vali Fast Yellow 3107;Vali Fast Yellow 3105;Stenolana Yellow MR;C.I. Acid Yellow 121;Lampronol Light Yellow 2RN;C.I. Acid Yellow 161;Kayakalan Yellow GL;C.I. Acid Yellow 59;Coranil Fast Yellow G;Lanyl Yellow GG;Remalan Fast Yellow G;Isolan Yellow GLS;Ortolan Yellow G;Endanil Yellow JR;Ostalan Yellow 2GL;Acid Yellow 59;Solvent Yellow 21;Acid Yellow 121;Acid Yellow 161;Lanasyn Yellow 2GLN;C.I. Acid Yellow 162;Lanafast Yellow GL;Acid Yellow 162;C.I. Acid Yellow 129;Cibalan Yellow 2GL;Lanasyn Yellow 2GW;Acid Yellow 129;C.I. Acid Yellow 171;Irgalan Yellow 2GL;Amichrome Light Yellow 2RL;C.I. Acid Yellow 118;Vialon Fast Yellow GL;Vialon Fast Yellow G;Oleosol Fast Yellow 2G;Acid Yellow 171;Acid Yellow 118;Valiosol Yellow 4120T;Solcorom Yellow P;12220-52-9;12220-77-8;12220-85-8;12220-90-5;12235-24-4;12270-05-2;15977-59-0;28084-27-7;29991-00-2;41579-63-9;47872-95-7;47872-97-9;57486-05-2;59459-52-8;95409-74-8;115965-95-2;155067-80-4
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CAS No:
Solvent Yellow 21 Use and Manufacturing
Using 2-aminophenol-4-sulfonic acid and acetoacetanilide as raw materials, first diazotize the former and couple with the latter. Then add cobalt chloride for cobalt complexation to obtain the original dye. After filtering, drying and pulverizing, add ethylene glycol ethyl ether and ethanol mixed solvent to dissolve, and filter out impurities to obtain dye product.
Neutral Yellow 2GL is used for the dyeing of wool, silk and nylon and the direct printing of fabrics. Excellent light fastness, also used for leather coloring, as well as plastics, paints, inks, etc.
Computed Properties
Molecular Weight:693.6
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:12
Rotatable Bond Count:6
Exact Mass:693.130210
Monoisotopic Mass:693.130210
Topological Polar Surface Area:212
Heavy Atom Count:49
Complexity:461
Covalently-Bonded Unit Count:4
Compound Is Canonicalized:Yes
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