ACID YELLOW 127

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We are involved in manufacturing, exporting and supplying of Acid Yellow 127 dyes, These Products are used for coloring the various fabrics like wool, nylon, silk and many more protein fibers. These products are developed at our high end manufacturing division using accurate chemical compositions and are known for their optimum performance.

Acid Yellow 127 Specification :

The IUPAC name of Acid Yellow 127 is sodium 4-[[4-chloro-6-(N-methylanilino)-1,3,5-triazin-2-yl]amino]-2-[[1-(2-chlorophenyl)-3-methyl-5-oxo-4H-pyrazol-4-yl]diazenyl]benzenesulfonate. With the CAS registry Yellow Acid 127number 73384-78-8, it is also named as enzenesulfonic acid,4-[[4-chloro-6-(methylphenylamino)-1,3,5-triazin-2-yl]amino]-2-[2-[1-(2-chlorophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]diazenyl]-,sodium salt (1:1). The product’s categories are Dye; Acid Dyes; Neutral Dye. Besides, it is yellow powder, which is soluble in water. In addition, its molecular formula is C26H20Cl2N9NaO4S and molecular weight is 648.45567.


The other characteristics of Acid Yellow 127 can be summarized as:
(1)H-Bond Donor: 1;
(2)H-Bond Acceptor: 12;
(3)Rotatable Bond Count: 8;
(4)Tautomer Count: 16;
(5)Exact Mass: 647.063371;
(6)MonoIsotopic Mass: 647.063371;
(7)Topological Polar Surface Area: 177;
(8)Heavy Atom Count: 43;
(9)Complexity: 1130;
(10)EINECS: 277-419-2.


Production and Uses of Acid Yellow 127: this chemical can be prepared by 2,4-Aminobenzenesulfonic acid, Cyanuric chloride, N-Methyl aniline and 1-(O-chlorophenyl)-3-methyl-5-pyrazolone. Moreover, this chemical is mainly used for dyeing wool top, wool fabric, silk and nylon. It is also used for color matching and leather coloring. And it is used as background color for discharge printing.

People can use the following data to convert to the molecule structure.
(1)SMILES: [Na+].Cc5ccccc5Nc1nc(nc(Cl)n1)Nc4cc(N=NC3C(\C)=N/N(c2ccccc2Cl)C3=O)c(cc4)S([O-])(=O)=O
(2)InChI: InChI=1/C26H21Cl2N9O4S.Na/c1-14-7-3-5-9-18(14)30-26-32-24(28)31-25(33-26)29-16-11-12-21(42(39,40)41)19(13-16)34-35-22-15(2)36-37(23(22)38)20-10-6-4-8-17(20)27;/h3-13,22H,1-2H3,(H,39,40,41)(H2,29,30,31,32,33);/q;+1/p-1
(3)InChIKey: WVXPJDZQOMWFCK-REWHXWOFAU

Properties and Applications:

colourful green light yellow. Yellow powder, soluble in water. The strong sulfuric acid for yellow, diluted still is yellow, accompanied by precipitation; In strong hydrochloric acid for yellow, diluted unchanged; In the nitric acid is yellow, diluted and precipitation for tender yellow; In the thick of sodium hydroxide solution of decomposition, after diluted yellow precipitation. The dye solution for green light light yellow, boil can get clear solution. Used for wool, silk, polyamide fiber fabric dyeing and printing directly, can also be used for leather color.

 

Name: Acid Yellow 127
CAS: 73384-78-8
C.I. No.:
Synonyms Benzenesulfonicacid,4-[[4-chloro-6-(methylphenylamino)-1,3,5-triazin-2-yl]amino]-2-[[1-(2-chlorophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]-,monosodium salt (9CI);Acid Brilliant Yellow 3GL;Best AcidMilling Yellow 5GW;C.I. 18888;C.I. Acid Yellow 127;Concorde Acid Yellow 5GW;Everacid Yellow 5GW;Intralan Brilliant Yellow 3GL;Irganol Brilliant Yellow3GL;Kayanol Milling Yellow 5GW;Kenanthrol Yellow 5GL;Lanyl Brilliant Yellow3G;Triacid Fast Brilliant Yellow 5GW;
Molecular Formula C26H20Cl2N9NaO4S
Molecular Weight 803.63
InChI InChI=1/C26H21Cl2N9O4S.Na/c1-14-7-3-5-9-18(14)30-26-32-24(28)31-25(33-26)29-16-11-12-21(42(39,40)41)19(13-16)34-35-22-15(2)36-37(23(22)38)20-10-6-4-8-17(20)27;/h3-13,22H,1-2H3,(H,39,40,41)(H2,29,30,31,32,33);/q;+1/p-1
CAS Registry Number 73384-78-8
EINECS 277-419-2
Molecular Structure Acid Yellow 127

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