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

CAS No.
6424-72-2
Chemical Name:
3H-Indol-3-one, 5,7-dichloro-2-(4-chloro-1-oxo-2(1H)-naphthalenylidene)-1,2-dihydro-4,6-dimethyl-
Synonyms
Vat Blue 40;C.I.Vat Blue 40:C.I.73805;3H-Indol-3-one, 5,7-dichloro-2-(4-chloro-1-oxo-2(1H)-naphthalenylidene)-1,2-dihydro-4,6-dimethyl-
CBNumber:
CB34794135
Molecular Formula:
C20H12Cl3NO2
Molecular Weight:
404.67378
MDL Number:
MOL File:
6424-72-2.mol

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

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- Preparation Products And Raw materials

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 6424-72-2