Basic information Safety Supplier Related

3H-Indol-3-one, 5,7-dichloro-2-(4-chloro-1-oxo-2(1H)-naphthalenylidene)-1,2-dihydro-4,6-dimethyl-

Basic information Safety Supplier Related

3H-Indol-3-one, 5,7-dichloro-2-(4-chloro-1-oxo-2(1H)-naphthalenylidene)-1,2-dihydro-4,6-dimethyl- Basic information

Product Name:
3H-Indol-3-one, 5,7-dichloro-2-(4-chloro-1-oxo-2(1H)-naphthalenylidene)-1,2-dihydro-4,6-dimethyl-
Synonyms:
  • 3H-Indol-3-one, 5,7-dichloro-2-(4-chloro-1-oxo-2(1H)-naphthalenylidene)-1,2-dihydro-4,6-dimethyl-
  • C.I.Vat Blue 40:C.I.73805
  • Vat Blue 40
CAS:
6424-72-2
MF:
C20H12Cl3NO2
MW:
404.67378
EINECS:
613-519-8
Mol File:
6424-72-2.mol
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3H-Indol-3-one, 5,7-dichloro-2-(4-chloro-1-oxo-2(1H)-naphthalenylidene)-1,2-dihydro-4,6-dimethyl- Usage And Synthesis

Preparation

2,5,7-Trichloro-4,6-dimethyl-3H-indol-3-one?and 4-chloronaphthalen-1-ol condensation in chlorobenzene..

Properties and Applications

red light blue to red light navy blue. In concentrated sulfuric acid to blue light green, dilution after blue; In concentrated nitric acid for purple; In the basic insurance powder solution for yellow; In the acidic insurance powder solution for pale yellow.

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

3H-Indol-3-one, 5,7-dichloro-2-(4-chloro-1-oxo-2(1H)-naphthalenylidene)-1,2-dihydro-4,6-dimethyl-Supplier