6,6'-Dichloro-4-methyl-Δ2,2'(3H,3'H)-bibenzo[b]thiophene-3,3'-dione

CAS No.
6371-18-2
Chemical Name:
6,6'-Dichloro-4-methyl-Δ2,2'(3H,3'H)-bibenzo[b]thiophene-3,3'-dione
Synonyms
C.I.73350;C.I.Vat Red 5;C.I.Vat Red 5:C.I.73350;Indanthren Printing Pink FFB;6,6'-Dichloro-4-methyl-Δ2,2'(3H,3'H)-bibenzo[b]thiophene-3,3'-dione;Benzo[b]thiophen-3(2H)-one, 6-chloro-2-(6-chloro-3-oxobenzo[b]thien-2(3H)-ylidene)-4-methyl-
CBNumber:
CB42440314
Molecular Formula:
C17H8Cl2O2S2
Molecular Weight:
379.28
MDL Number:
MOL File:
6371-18-2.mol

6,6'-Dichloro-4-methyl-Δ2,2'(3H,3'H)-bibenzo[b]thiophene-3,3'-dione Chemical Properties,Uses,Production

Preparation

6-Chloro-4-methyl-2-(phenylimino)benzo[b]thiophen-3(2H)-one and 6-Chlorobenzo[b]thiophen-3(2H)-one condensation.

Properties and Applications

blue light pink to red blue light. The strong sulfuric acid for green, diluted to red; In nitric acid for red; In alkaline insurance powder solution for yellow.

Standard Ironing Fastness Chlorine bleach Light Fastness Mercerized Oxygen bleach Soaping
Fading Stain
ISO 5 6 4-5

6,6'-Dichloro-4-methyl-Δ2,2'(3H,3'H)-bibenzo[b]thiophene-3,3'-dione Preparation Products And Raw materials

Raw materials

Preparation Products

C.I.73350 C.I.Vat Red 5 Indanthren Printing Pink FFB 6,6'-Dichloro-4-methyl-Δ2,2'(3H,3'H)-bibenzo[b]thiophene-3,3'-dione Benzo[b]thiophen-3(2H)-one, 6-chloro-2-(6-chloro-3-oxobenzo[b]thien-2(3H)-ylidene)-4-methyl- C.I.Vat Red 5:C.I.73350 6371-18-2 C17H8Cl2O2S2