CAS No.12220-64-3,disodium 2-[[1-(2,5-dichloro-4-sulphonatophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]naphthalene-1-sulphonate Suppliers

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Basic Information

Molecular Structure:
CAS No.:	12220-64-3
Name:	disodium 2-[[1-(2,5-dichloro-4-sulphonatophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]naphthalene-1-sulphonate

Formula:	C₂₀H₁₂Cl₂N₄Na₂O₇S₂
Molecular Weight:	601.34742
Synonyms:	1-Naphthalenesulfonicacid,2-[[1-(2,5-dichloro-4-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]-,disodium salt (9CI);Acid Yellow 19;Acid Yellow 2GX;Aminyl Yellow E-GNL;BestAcid Yellow GL;C.I. Acid Yellow 19;Covalene Yellow RCP;Covanyl Yellow RCP;Daedo Acid Yellow C-GRL;Erio Fast Yellow G;Hispalon Yellow B-RGL;KenamideYellow GR;Mitsui Acid Fast Yellow GR;Nylosan Yellow E-GRL;Nylosan YellowE-GRL 160;Rifa Acid Fast Yellow E-GRL;Rifa Leather Yellow 3GL;SuminolLevelling Yellow NR;Triacid Fast Yellow GRL;Xylene Light Yellow R;2-((1-(2,5-Dichloro-4-sulfophenyl)-5-hydroxy-3-methyl-1H-pyrazol-4-yl)azo)-1-naphthalenesulfonic acid, disodium salt;
EINECS:	235-409-5
Solubility:	50 g / L (90 °C) at water
Appearance:	yellow powder
PSA:	188.55000
LogP:	5.49200

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Specification

The IUPAC name of Acid Yellow 19 is disodium 2-[[1-(2,5-dichloro-4-sulfonatophenyl)-3-methyl-5-oxo-4H-pyrazol-4-yl]diazenyl]naphthalene-1-sulfonate. With the CAS registry number 12220-64-3, it is also named as 2-((1-(2,5-Dichloro-4-sulfophenyl)-5-hydroxy-3-methyl-1H-pyrazol-4-yl)azo)-1-naphthalenesulfonic acid, disodium salt. The product's categories are Organics; Strong Acid Dyes; Dyes; Acid Dyes, and the other registry numbers are 66556-82-9; 70865-22-4. Besides, it is yellow powder, which is soluble in water. In addition, its molecular formula is C₂₀H₁₂Cl₂N₄Na₂O₇S₂ and molecular weight is 601.34742.

The other characteristics of this product can be summarized as: (1)H-Bond Donor: 0; (2)H-Bond Acceptor: 10; (3)Rotatable Bond Count: 3; (4)Tautomer Count: 4; (5)Exact Mass: 599.931985; (6)MonoIsotopic Mass: 599.931985; (7)Topological Polar Surface Area: 189; (8)Heavy Atom Count: 37; (9)Complexity: 1080; (10)Water solubility: 50 g/L (90 °C); (11)EINECS: 235-409-5.

Preparation and Uses of Acid Yellow 19: please dizotize 2-Aminonaphthalene-1-sulfonic acid. And then put the resultant to couple with 1-(2',5'-Dichloro-4'-sulfo-phenyl)-3-methyl-5-pyrazolone. You will obtain this chemical after salting out, filtration, drying and crushing. Moreover, this product is used for dyeing of silk and wool. It also can be used for direct printing of wool and silk fabrics.

People can use the following data to convert to the molecule structure.
(1)SMILES: [Na+].[Na+].[O-]S(=O)(=O)c3c4c(ccc3/N=N/C2\C(=N/N(c1c(Cl)cc(c(Cl)c1)S([O-])(=O)=O)C2=O)C)cccc4
(2)InChI: InChI=1/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);;/q;2*+1/p-2/b24-23+
(3)InChIKey: KRVDIUOUSKADMQ-AQVGDJFIBG
(4)Std. 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);;/q;2*+1/p-2/b24-23+
(5)Std. InChIKey: KRVDIUOUSKADMQ-KPOOZVEVSA-L