CAS: 12220-64-3 - 1-Naphthalenesulfonic acid, 2-[2-[1-(2,5-dichloro-4-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]diazenyl]-, sodium salt (1:2)

Formula: C₂₀H₁₄Cl₂N₄O₇S₂·2Na

InChI: InChI=1S/C20H14Cl2N4O7S2.2Na/c1-10-18(20(27)26(25-10)16-8-14(22)17(9-13(16)21)34(28,29)30)24-23-15-7-6-11-4-2-3-5-12(11)19(15)35(31,32)33;;/h2-9,18H,1H3,(H,28,29,30)(H,31,32,33);;

InChI key: InChIKey=CGMCYZSWMLBZQO-UHFFFAOYSA-N

SMILES: [Na].O=C1N(N=C(C)C1N=NC=2C=CC=3C=CC=CC3C2S(=O)(=O)O)C4=CC(Cl)=C(C=C4Cl)S(=O)(=O)O

Synonyms:

• 1-Naphthalenesulfonic acid, 2-((1-(2,5-dichloro-4-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl)azo)-, disodium salt
• 1-Naphthalenesulfonic acid, 2-(2-(1-(2,5-dichloro-4-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl)diazenyl)-, sodium salt (1:2)
• 2-((1-(2,5-Dichloro-4-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl)azo)-1-naphthalenesulfonic acid, disodium salt
• 2-((1-(2,5-Dichloro-4-sulfophenyl)-5-hydroxy-3-methyl-1H-pyrazol-4-yl)azo)-1-naphthalenesulfonic acid, disodium salt
• Acid Yellow 19
• Acid Yellow 2GX
• Aminyl Yellow E-GNL
• Best Acid Yellow GL
• Covalene Yellow RCP
• Covanyl Yellow RCP
• Daedo Acid Yellow C-GRL
• Erio Fast Yellow G
• Hispalon Yellow B-RGL
• Kenamide Yellow GR
• Mitsui Acid Fast Yellow GR
• Nylosan Yellow E-GRL
• Nylosan Yellow E-GRL 160
• Rifa Acid Fast Yellow E-GRL
• Rifa Leather Yellow 3GL
• Suminol Levelling Yellow NR
• Triacid Fast Yellow GRL
• Xylene Light Yellow R
• disodium 2-[[1-(2,5-dichloro-4-sulfonato-phenyl)-3-methyl-5-oxo-4H-pyrazol-4-yl]azo]naphthalene-1-sulfonate
• disodium 2-{(E)-[1-(2,5-dichloro-4-sulfonatophenyl)-3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-4-yl]diazenyl}naphthalene-1-sulfonate
• C.I. Acid Yellow 19

C.I.Acid Yellow 19

CAS: 12220-64-3

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• Purity: Min. 95%