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ChemicalBook >> CAS DataBase List >>disodium 5,5',7,7'-tetrabromo[2,2'-bi-1H-indole]-3,3'-diyl disulphate

disodium 5,5',7,7'-tetrabromo[2,2'-bi-1H-indole]-3,3'-diyl disulphate

CAS No.
2702-33-2
Chemical Name:
disodium 5,5',7,7'-tetrabromo[2,2'-bi-1H-indole]-3,3'-diyl disulphate
Synonyms
C.I.73066;Anthrasol O-4B;Solasol Indigo 4B;Solubilised Vat Blue 5;C.I.Solubilised Vat Blue 5;C.I.Solubilised Vat Blue 5 :C.I.73066;disodium 5,5',7,7'-tetrabromo[2,2'-bi-1H-indole]-3,3'-diyl disulphate;5,5',7,7'-Tetrabromo-2,2'-bi[1H-indole]-3,3'-diol bis(sulfuric acid sodium) salt;disodium [5,7-dibromo-2-(5,7-dibromo-3-sulfato-1H-indol-2-yl)-1H-indol-3-yl] sulfate;disodium [5,7-dibromo-2-(5,7-dibromo-3-sulfonatooxy-1H-indol-2-yl)-1H-indol-3-yl] sulfate
CBNumber:
CB2888718
Molecular Formula:
C16H9Br4N2NaO8S2
Molecular Weight:
763.98
MDL Number:
MFCD00187150
MOL File:
2702-33-2.mol
Last updated:2024-12-18 14:07:02

disodium 5,5',7,7'-tetrabromo[2,2'-bi-1H-indole]-3,3'-diyl disulphate Properties

FDA UNII 2E21478XVU
EPA Substance Registry System

disodium 5,5',7,7'-tetrabromo[2,2'-bi-1H-indole]-3,3'-diyl disulphate price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
American Custom Chemicals Corporation DYE0004984 SODIUM-5,5',7,7'-TETRABROMO-1H,1'H-2,2'-BIINDOLE-3,3'-DIYL DISULFATE 95.00% 2702-33-2 5MG $505.99 2021-12-16 Buy
Product number Packaging Price Buy
DYE0004984 5MG $505.99 Buy

disodium 5,5',7,7'-tetrabromo[2,2'-bi-1H-indole]-3,3'-diyl disulphate Chemical Properties,Uses,Production

Preparation

(a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Blue 5 leuco; (b) in the Pyridine with metal (such as copper, iron, zinc, etc) and Sulfur trioxide source (such as Sulfur trioxide, Chlorosulfonic acid or Methyl chlorosulfonate, etc.) processing ?C.I. Vat Blue 5. The above two kinds of situation after alkaline, filter out insolubles, remove Pyridine and salting out.

Properties and Applications

blue. Light gray powder. Soluble in water is blue, the acid brilliant is basic, in light and acid under the action of rapid decomposition, make the solution is blue. In concentrated sulfuric acid for cyan. When color oxidation more difficult, low temperature issued color not fully. Mainly used for cotton fabric dyeing and printing, also used for silk and polyester/cotton blended fabric dyeing and printing, but also can be used to hand printed.

Standard Ironing Fastness Chlorine bleach Light Fastness Mercerized Oxygen bleach Soaping
Fading Stain
ISO 5 2 4-5 4 3-4 4-5 5
AATCC 5 2 4-5 3-4 4

disodium 5,5',7,7'-tetrabromo[2,2'-bi-1H-indole]-3,3'-diyl disulphate Preparation Products And Raw materials

Raw materials

Preparation Products

disodium 5,5',7,7'-tetrabromo[2,2'-bi-1H-indole]-3,3'-diyl disulphate Suppliers

Global( 3)Suppliers
Supplier Tel Email Country ProdList Advantage
Jaffs Dyechem Private Limited -- info@jaffsdyechem.com India 309 58
Nirvip Pvt. Ltd -- nirvip@gmail.com India 38 58
Dynasty Colourants Co., Ltd. -- info@dynasty-color.com China 3306 51
disodium 5,5',7,7'-tetrabromo[2,2'-bi-1H-indole]-3,3'-diyl disulphate Solubilised Vat Blue 5 5,5',7,7'-Tetrabromo-2,2'-bi[1H-indole]-3,3'-diol bis(sulfuric acid sodium) salt Anthrasol O-4B C.I.73066 C.I.Solubilised Vat Blue 5 Solasol Indigo 4B disodium [5,7-dibromo-2-(5,7-dibromo-3-sulfato-1H-indol-2-yl)-1H-indol-3-yl] sulfate disodium [5,7-dibromo-2-(5,7-dibromo-3-sulfonatooxy-1H-indol-2-yl)-1H-indol-3-yl] sulfate C.I.Solubilised Vat Blue 5 :C.I.73066 2702-33-2