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

Product Name: 5,7-dichloro-1,2-dihydro-2-(1-oxonaphtho[2,1-b]thien-2(1H)-ylidene)-3H-indol-3-one
CAS No.: 6424-67-5
Chemical Name: 5,7-dichloro-1,2-dihydro-2-(1-oxonaphtho[2,1-b]thien-2(1H)-ylidene)-3H-indol-3-one
Synonyms: Vat Brown 42;Vat brown 42 (C.I. 73665);C.I.Vat Brown 42:C.I.73665;5,7-dichloro-1,2-dihydro-2-(1-oxonaphtho[2,1-b]thien-2(1H)-ylidene)-3H-indol-3-one;3H-Indol-3-one, 5,7-dichloro-1,2-dihydro-2-(1-oxonaphtho[2,1-b]thiophen-2(1H)-ylidene)-
CBNumber: CB1933705
Molecular Formula: C20H9Cl2NO2S
Formula Weight: 398.26
MOL File: 6424-67-5.mol

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

Boiling point:: 549.9±50.0 °C(Predicted)
Density: 1.615±0.06 g/cm3(Predicted)
pka: -7.42±0.20(Predicted)

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Hazard and Precautionary Statements (GHS)

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

Preparation

Naphtho[2,1-b]thiophen-1(2H)-one with 2,2,5,7-Tetrachloro-3-indolinone?condensation.

Properties and Applications

brown. 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 materials

Preparation Products

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

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6424-67-5, 5,7-dichloro-1,2-dihydro-2-(1-oxonaphtho[2,1-b]thien-2(1H)-ylidene)-3H-indol-3-one Related Search:

Vat Brown 1 Vat Brown 3 Vat Brown 34 N-(7,9-dichloro-6,11,14,19,20,21-hexahydro-5,11,14,19,21-pentaoxo-5H-naphtho[2,3-c]naphth[2',3':6,7]indolo[3,2-a]acridin-15-yl)benzamide Benzamide, N-(5,6,12,17,18,24-hexahydro-5,12,17,24-tetraoxodinaphth[2,3-i:2',3'-i']indeno[4,3-ab:2,1-c']dicarbazol-23-yl)- 10-(9-Oxo-9H-naphth(3,2,1-kl)acridin-2-yl)naphth(2,3-c)acridine-5,8,14 (13H)-trione 3-anilino-2-chloro-1H-phenothiazine-1,4(10H)-dione Vat Brown 25 Vat brown 39 (C.I. 59270)

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

6424-67-5

C20H9Cl2NO2S