| Product Name | acid yellow 40 (C.I. 18950) |
| CAS No. | 6372-96-9 |
| Synonyms | C.I. 642; C.I. 18950; C.I. Acid Yellow 40 (VAN); C.I. Acid Yellow 40 monosodium salt; C.I. Acid Yellow 40, sodium salt; C.I. Acid Yellow 40, monosodium salt (8CI); Polar Yellow; C.I. Acid Yellow 40; Acid Yellow 40 (C.I.); sodium 5-chloro-2-(5-hydroxy-3-methyl-4-(4-((4-methylphenyl)sulphonyloxy)phenylazo)pyrazol-1-yl)benzenesulphonate; sodium 5-chloro-2-{3-methyl-4-[(E)-(4-{[(4-methylphenyl)sulfonyl]oxy}phenyl)diazenyl]-5-oxo-4,5-dihydro-1H-pyrazol-1-yl}benzenesulfonate; sodium 5-chloro-2-{5-hydroxy-3-methyl-4-[(E)-(4-{[(4-methylphenyl)sulfonyl]oxy}phenyl)diazenyl]-1H-pyrazol-1-yl}benzenesulfonate |
| InChI | InChI=1/C23H19ClN4O7S2.Na/c1-14-3-10-19(11-4-14)37(33,34)35-18-8-6-17(7-9-18)25-26-22-15(2)27-28(23(22)29)20-12-5-16(24)13-21(20)36(30,31)32;/h3-13,29H,1-2H3,(H,30,31,32);/q;+1/p-1/b26-25+; |
| Molecular Formula | C23H18ClN4NaO7S2 |
| Molecular Weight | 584.9844 |
6372-96-9 acid yellow 40 (c.i. 18950)
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