ChemicalBook >> CAS DataBase List >>disodium 2-[9-chloro-3-(sulphonatooxy)naphtho[1,2-b]thien-2-yl]-1H-indol-3-yl sulphate

disodium 2-[9-chloro-3-(sulphonatooxy)naphtho[1,2-b]thien-2-yl]-1H-indol-3-yl sulphate

CAS No.
10169-52-5
Chemical Name:
disodium 2-[9-chloro-3-(sulphonatooxy)naphtho[1,2-b]thien-2-yl]-1H-indol-3-yl sulphate
Synonyms
C.I.73661;Einecs 233-441-4;Solasol Blue Black RDS;Solubilised Vat Black 6;Anthrasol Blue Black IRD;C.I.Solubilised Vat Black 6;C.I.Solubilised Vat Black 6:C.I.73661;Disodium 2-[9-chloro-3-(sulfonatooxy)naphtho[1,2-b]thien-2-yl]-1H-indol-3-yl sulfate;disodium 2-[9-chloro-3-(sulphonatooxy)naphtho[1,2-b]thien-2-yl]-1H-indol-3-yl sulphate;disodium,[2-(9-chloro-3-sulfonatooxybenzo[g][1]benzothiol-2-yl)-1H-indol-3-yl] sulfate
CBNumber:
CB6881050
Molecular Formula:
C20H13ClNNaO8S3
Molecular Weight:
549.94
MDL Number:
MOL File:
10169-52-5.mol
Last updated:2025-12-31 14:38:37

disodium 2-[9-chloro-3-(sulphonatooxy)naphtho[1,2-b]thien-2-yl]-1H-indol-3-yl sulphate Properties

SAFETY

Risk and Safety Statements

TSCA  TSCA listed

disodium 2-[9-chloro-3-(sulphonatooxy)naphtho[1,2-b]thien-2-yl]-1H-indol-3-yl sulphate Chemical Properties, Uses, Production

Preparation

(a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Black 35 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 Black 35. The above two kinds of situation after alkaline, filter out insolubles, remove Pyridine and salting out.

Properties and Applications

dark blue to blue black, soluble in water is blue-black.

Standard Ironing Fastness Chlorine bleach Light Fastness Mercerized Oxygen bleach Soaping
Fading Stain
ISO 4-5 7 4-5

disodium 2-[9-chloro-3-(sulphonatooxy)naphtho[1,2-b]thien-2-yl]-1H-indol-3-yl sulphate Preparation Products And Raw materials

disodium 2-[9-chloro-3-(sulphonatooxy)naphtho[1,2-b]thien-2-yl]-1H-indol-3-yl sulphate Suppliers

Global Suppliers ( 2)
Supplier Tel Email Country ProdList Advantage
Alfa Chemistry +1-5166625404; Info@alfa-chemistry.com United States 20000 58
Shaanxi Dideu Newmaterial Co., Ltd. 029-63373950 17392216152 1035@dideu.com China 9991 58
disodium 2-[9-chloro-3-(sulphonatooxy)naphtho[1,2-b]thien-2-yl]-1H-indol-3-yl sulphate 2-[9-Chloro-3-(sodiosulfooxy)naphtho[1,2-b]thiophen-2-yl]-1H-indol-3-ol (sulfuric acid sodium) salt Anthrasol Blue Black IRD C.I.73661 C.I.Solubilised Vat Black 6 Solasol Blue Black RDS 1H-Indol-3-ol, 2-(9-chloro-3-(sulfooxy)naphtho(1,2-B)thien-2-yl)-, 3-(hydrogen sulfate), sodium salt (1:2) 1H-Indol-3-ol, 2-(9-chloro-3-(sulfooxy)naphtho(1,2-B)thien-2-yl)-, hydrogen sulfate (ester), disodium salt Einecs 233-441-4 disodium,[2-(9-chloro-3-sulfonatooxybenzo[g][1]benzothiol-2-yl)-1H-indol-3-yl] sulfate C.I.Solubilised Vat Black 6:C.I.73661 Solubilised Vat Black 6 Disodium 2-[9-chloro-3-(sulfonatooxy)naphtho[1,2-b]thien-2-yl]-1H-indol-3-yl sulfate 10169-52-5