2-(9-Chloro-3-oxonaphtho[1,2-b]thiophen-2(3H)-ylidene)-1H-indol-3(2H)-one

CAS NO.：6424-66-4
Empirical Formula: C20H10ClNO2S
Molecular Weight: 363.82

What is 2-(9-Chloro-3-oxonaphtho[1,2-b]thiophen-2(3H)-ylidene)-1H-indol-3(2H)-one?

Preparation

9-Chloronaphtho[1,2-b]thiophen-3(2H)-one with 2-Chloro-3H-indol-3-one?condensation.

Properties and Applications

green gray to black. In concentrated sulfuric acid for black; In the basic insurance powder solution for yellow green, In the acidic insurance powder solution is black.

Standard	Ironing Fastness	Chlorine bleach	Light Fastness	Mercerized	Oxygen bleach	Soaping
						Fading	Stain
ISO			5	7-8	4-5	4-5	4-5

Safety information for 2-(9-Chloro-3-oxonaphtho[1,2-b]thiophen-2(3H)-ylidene)-1H-indol-3(2H)-one

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