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5,7-dichloro-1,2-dihydro-2-(1-oxonaphtho[2,1-b]thien-2(1H)-ylidene)-3H-indol-3-one

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5,7-dichloro-1,2-dihydro-2-(1-oxonaphtho[2,1-b]thien-2(1H)-ylidene)-3H-indol-3-one Basic information
Product Name:5,7-dichloro-1,2-dihydro-2-(1-oxonaphtho[2,1-b]thien-2(1H)-ylidene)-3H-indol-3-one
Synonyms:5,7-dichloro-1,2-dihydro-2-(1-oxonaphtho[2,1-b]thien-2(1H)-ylidene)-3H-indol-3-one;Vat brown 42 (C.I. 73665);3H-Indol-3-one, 5,7-dichloro-1,2-dihydro-2-(1-oxonaphtho[2,1-b]thiophen-2(1H)-ylidene)-;C.I.Vat Brown 42:C.I.73665;Vat Brown 42
CAS:6424-67-5
MF:C20H9Cl2NO2S
MW:398.26
EINECS:229-184-2
Product Categories:
Mol File:6424-67-5.mol
5,7-dichloro-1,2-dihydro-2-(1-oxonaphtho[2,1-b]thien-2(1H)-ylidene)-3H-indol-3-one Structure
5,7-dichloro-1,2-dihydro-2-(1-oxonaphtho[2,1-b]thien-2(1H)-ylidene)-3H-indol-3-one Chemical Properties
Boiling point 549.9±50.0 °C(Predicted)
density 1.615±0.06 g/cm3(Predicted)
pka-7.42±0.20(Predicted)
Safety Information
MSDS Information
5,7-dichloro-1,2-dihydro-2-(1-oxonaphtho[2,1-b]thien-2(1H)-ylidene)-3H-indol-3-one Usage And Synthesis
PreparationNaphtho[2,1-b]thiophen-1(2H)-one with 2,2,5,7-Tetrachloro-3-indolinone?condensation.
Properties and Applicationsbrown. Brown powder. In concentrated sulfuric acid to red light brown, dilution after brown. Alkaline reduction leuco for yellow orange; Acid reduction leuco for yellow. To cellulose fibre substantivity high, good levelness. Used for cotton fabric direct dyeing, reserving and coloring discharge, also can be used for silk and wool dyeing.
Standard Ironing Fastness Chlorine bleach Light Fastness Mercerized Oxygen bleach Soaping
Fading Stain
ISO 4 4-5 6 4 5
5,7-dichloro-1,2-dihydro-2-(1-oxonaphtho[2,1-b]thien-2(1H)-ylidene)-3H-indol-3-one Preparation Products And Raw materials
Raw materialsnaphtho[2,1-b]thiophen-1(2H)-one-->2,2,5,7-tetrachloro-3-indolinone
Tag:5,7-dichloro-1,2-dihydro-2-(1-oxonaphtho[2,1-b]thien-2(1H)-ylidene)-3H-indol-3-one(6424-67-5) Related Product Information
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