dye|World dye variety

Name:C.I.Solvent Red 242,C.I.73300

Molecular Structure: Thioindigo class

C.I.Solvent Red 242,C.I.73300,CAS 522-75-8,296.37,C16H8O2S2,Fluorescent Red 3301,Fluorescent Red 3B,Fluorescent Red 5B,Fluorescent Red YJR-I,Fluorescent Pink 5B

Molecular Formula:C₁₆H₈O₂S₂

Molecular Weight: 296.37

CAS Registry Number:522-75-8

Manufacturing Methods : (a) will be heavy 2-Aminobenzoic acid into 2-(Carboxymethylthio)benzoic acid, and then and Chloroacetic acid sodium salt reaction, and through the alkali fusion make 2-Mercaptobenzoic acid into Benzo[b]thiophen-3(2H)-one. Garnish with sulfur water suspended matter in boiling two for oxidation treatment; (b)  With chlorosulfonic acid to make acetylene pairs thiosalicylate loop and oxidation (GP 205324).

Properties and Applications:red. Insoluble in water, soluble in ethanol for blue light red, soluble in xylene in red. In concentrated sulfuric acid for brilliant blue green, dilution after red flocks; In the basic insurance powder solution for red light yellow, In the acidic insurance powder solution for pale yellow.

List of Suppliers:

Fluorescent Red 3301,Fluorescent Red 3B,Fluorescent Red 5B,Fluorescent Red YJR-I

Haining Hongyu Chemical Co., Ltd.

AP Red 41 ( AP Color Products )

Elbaplast Fluorescent Red B( Holliday Dyes & Chemicals Ltd )

Fluorescent Pink 5B( John Kellys (London) Ltd )

Kenawax Fluorescent Red 3BYP( Albion Colours Ltd)

Keyplast Fluorescent Red 5B ( Keystone Aniline Corporation )

KPSolve Red PA ( KPS Dyes and Chemicals Inc )

Krasol Pink S ( Open Joint Stock Company ‘Krasitel’ )

Oil Red 5B( Passaic Color & Chemical Co. )

Pigment Red Thio3H-indol-3-one,2-(1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro- S ( Open Joint Stock Company ‘Krasitel’ )

Rosaplast Red FV41( Rose Color Inc. )