ChemicalBook >> CAS DataBase List >>sodium 2-[3-(4-sulfonato-o-tolyliminio)-6-o-toluidino-3H-xanthen-9-yl]benzoate

sodium 2-[3-(4-sulfonato-o-tolyliminio)-6-o-toluidino-3H-xanthen-9-yl]benzoate

CAS No.
6252-78-4
Chemical Name:
sodium 2-[3-(4-sulfonato-o-tolyliminio)-6-o-toluidino-3H-xanthen-9-yl]benzoate
Synonyms
C.I.73860;Vat Red 45;C.I.Vat Red 45;Einecs 228-378-4;C.I. Acid Violet 9;Acid Violet 9 (C.I.);Vat red 45 (C.I. 73860);C.I.Vat Red 45:C.I.73860;2-(1-Oxoacenaphthene-2-ylidene)benzo[b]thiophene-3(2H)-one;2-(2-oxo-2H-acenaphth-1-ylidene)benzo[b]thiophene-3(2H)-one
CBNumber:
CB8875514
Molecular Formula:
C20H10O2S
Molecular Weight:
314.36
MDL Number:
MOL File:
6252-78-4.mol

sodium 2-[3-(4-sulfonato-o-tolyliminio)-6-o-toluidino-3H-xanthen-9-yl]benzoate Chemical Properties,Uses,Production

Preparation

Benzo[b]thiophen-3(2H)-one or?3-Oxo-2,3-dihydrobenzo[b]thiophene-2-carboxylic acid and 1,2-Acenaphthylenedione?or partial reduction of the condensation product.

Properties and Applications

brilliant pink to brilliant yellow red. Big red powder. Slightly soluble in Xylene for yellow red. In concentrated sulfuric acid for brilliant green, dilution after red flocks. Alkaline reduction leuco for red light purple; Acid reduction leuco for orange. Used for cotton, polyester/cotton blended, wool and silk dyeing.

Standard Ironing Fastness Chlorine bleach Light Fastness Mercerized Oxygen bleach Soaping
Fading Stain
ISO 4 4 5 4-5 3 1 4-5

sodium 2-[3-(4-sulfonato-o-tolyliminio)-6-o-toluidino-3H-xanthen-9-yl]benzoate Preparation Products And Raw materials

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Vat Red 45 Vat red 45 (C.I. 73860) 2-(1-Oxoacenaphthene-2-ylidene)benzo[b]thiophene-3(2H)-one 2-(2,3-Dihydro-3-oxobenzo[b]thiophene-2-ylidene)acenaphthene-1-one 2-(2-Oxoacenaphthylen-1(2H)-ylidene)benzo[b]thiophen-3(2H)-one C.I.73860 C.I.Vat Red 45 Einecs 228-378-4 Acid Violet 9 (C.I.) C.I. Acid Violet 9 sodium 2-[3-(4-sulfonato-o-tolyliminio)-6-o-toluidino-3H-xanthen-9-yl]benzoate 2-(2-oxo-2H-acenaphth-1-ylidene)benzo[b]thiophene-3(2H)-one Benzo[b]thiophen-3(2H)-one, 2-(2-oxo-1(2H)-acenaphthylenylidene)- C.I.Vat Red 45:C.I.73860 6252-78-4 6552-76-2