Name | Acid Yellow 61 |
Synonyms | Acid Yellow 61 Aminyl Yellow E-G Supramin Yellow GW Suminol Fast Yellow G Sandolan Fast Yellow P-L Tertracid Fast Yellow TW Mitsui Nylon Fast Yellow G sodium 2,5-dichloro-4-[4-[[2-[(ethylphenylamino)sulphonyl]phenyl]azo]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]benzenesulphonate Sodium 2,5-dichloro-4-(4-((2-((ethylphenylamino)sulphonyl)phenyl)azo)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)benzenesulphonate sodium 2,5-dichloro-4-{3-methyl-5-oxo-4-[(E)-{3-[(2-phenylethyl)sulfamoyl]phenyl}diazenyl]-4,5-dihydro-1H-pyrazol-1-yl}benzenesulfonate Benzenesulfonic acid, 2,5-dichloro-4-(4-((2-((ethylphenylamino)sulfonyl)phenyl)azo)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)-, sodium salt |
CAS | 12217-38-8 |
EINECS | 235-397-1 |
InChI | InChI=1/C24H21Cl2N5O6S2.Na/c1-15-23(24(32)31(30-15)21-13-20(26)22(14-19(21)25)39(35,36)37)29-28-17-8-5-9-18(12-17)38(33,34)27-11-10-16-6-3-2-4-7-16;/h2-9,12-14,23,27H,10-11H2,1H3,(H,35,36,37);/q;+1/p-1/b29-28+ |
Molecular Formula | C24H22Cl2N5NaO6S2 |
Molar Mass | 634.48 |
Physical and Chemical Properties | Yellow powder. Soluble in water, in water solubility (90 deg C) for 35g/L. The aqueous solution was green and yellow, and the addition of hydrochloric acid turned bright yellow, and the addition of sodium hydroxide also turned bright yellow, slightly cloudy. In concentrated sulfuric acid was dark yellow, diluted color unchanged, accompanied by precipitation. It is sensitive to copper and iron ions. |
LogP | -0.36 at 20℃ |
Introduction | acid yellow, also known as acid yellow, acid yellow 61 is a yellow powder. Soluble in water, in water solubility (90 deg C) for 35g/L. The aqueous solution was green and yellow, and the addition of hydrochloric acid turned bright yellow, and the addition of sodium hydroxide also turned bright yellow, slightly cloudy. In concentrated sulfuric acid was dark yellow, diluted color unchanged, accompanied by precipitation. It is sensitive to copper and iron ions. |
Application | acid yellow 61 is an acid dye, it has been reported in the literature that it can be used to prepare a nylon island super fiber leather fabric composite dye and a multi-component chromogenic anion co-intercalated supramolecular structure pigment. |
Use | weak acid yellow P-L is used for dyeing wool, silk, nylon and its blend fabrics, also used for wool, the direct printing of silk fabric and the color discharge printing of silk fabric have good levelness. Used for wool and other fibers in the same bath dyeing, wool, nylon dyeing, silk staining serious, polyester and acrylic staining, cellulose fiber and acetate fiber non-staining. It can also be used for leather coloring. |
production method | with 2-amino-N-ethylbenzenesulfonyl aniline and 1- (2 ',5'-dichloro-4 '-sulfophenyl)-3-methyl-5-pyrazolone as a starting material, the former is first diazotized and then coupled with the latter to obtain a product. The final product was obtained by filtration, drying and pulverization.. |