Basic Yellow 28 (54060-92-3)

The IUPAC name of C.I. Basic Yellow 28 is 4-methoxy-N-methyl-N-[(E)-(1,3,3-trimethylindol-1-ium-2-yl)methylideneamino]aniline; methyl sulfate. With the CAS registry number 54060-92-3, it is also named as 2-(((4-Methoxyphenyl)methylhydrazono)methyl)-1,3,3-trimethyl-3H-indolium methyl sulfate; Astrazon Golden Yellow GL. The product's categorie is dyes and pigments. It is orange powder which is easily soluble in water. And the water solution is yellow. In addition, this chemical is used to dye and print of acrylic fiber and its textile. The other registry numbers are 132821-58-0, 228574-04-7, 37343-88-7, 58238-72-5 and 60568-40-3. When heated to decomposition C.I. Basic Yellow 28 emits toxic vapors of NO_x and SO_x.

The other characteristics of this product can be summarized as: (1)#H bond acceptors: 4; (2)#H bond donors: 0; (3)#Freely Rotating Bonds: 4; (4)Rotatable Bond Count: 4; (5)Exact Mass: 433.167142; (6)MonoIsotopic Mass: 433.167142; (7)Topological Polar Surface Area: 103; (8)Heavy Atom Count: 30; (9)Complexity: 594; (10)Defined Bond StereoCenter Count: 1; (11)Covalently-Bonded Unit Count: 2.

Preparation of C.I. Basic Yellow 28: Using 1,3,3-trimethyl-2-methyleneindoline and p-methoxyaniline as raw materials. Firstly, diazotizating p-methoxyaniline, then coupling with 1,3,3-trimethyl-2-methyleneindoline, finally methylating with dimethyl sulfate. After filtering and drying, we can get the product.

People can use the following data to convert to the molecule structure. 
1. SMILES: [O-]S(=O)(=O)OC.O(c1ccc(cc1)N(\N=C\C3=[N+](\c2ccccc2C3(C)C)C)C)C;
2. InChI: InChI=1/C20H24N3O.CH4O4S/c1-20(2)17-8-6-7-9-18(17)22(3)19(20)14-21-23(4)15-10-12-16(24-5)13-11-15;1-5-6(2,3)4/h6-14H,1-5H3;1H3,(H,2,3,4)/q+1;/p-1.