Basic information Safety Supplier Related

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

Basic information Safety Supplier Related

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

Product Name:
disodium 2-[9-chloro-3-(sulphonatooxy)naphtho[1,2-b]thien-2-yl]-1H-indol-3-yl sulphate
Synonyms:
  • 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
CAS:
10169-52-5
MF:
C20H13ClNNaO8S3
MW:
549.94
EINECS:
2334414
Mol File:
10169-52-5.mol
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disodium 2-[9-chloro-3-(sulphonatooxy)naphtho[1,2-b]thien-2-yl]-1H-indol-3-yl sulphate Chemical Properties

EPA Substance Registry System
1H-Indol-3-ol, 2-[9-chloro-3-(sulfooxy)naphtho[1,2-b]thien-2-yl]-, hydrogen sulfate (ester), disodium salt (10169-52-5)
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disodium 2-[9-chloro-3-(sulphonatooxy)naphtho[1,2-b]thien-2-yl]-1H-indol-3-yl sulphate Usage And Synthesis

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 Supplier

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