| Identification | Back Directory | [Name]
5,7-dichloro-1,2-dihydro-2-(1-oxonaphtho[2,1-b]thien-2(1H)-ylidene)-3H-indol-3-one | [CAS]
6424-67-5 | [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)- | [EINECS(EC#)]
229-184-2 | [Molecular Formula]
C20H9Cl2NO2S | [MOL File]
6424-67-5.mol | [Molecular Weight]
398.26 |
| Hazard Information | Back Directory | [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.
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Standard
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Ironing Fastness
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Chlorine bleach
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Light Fastness
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Mercerized
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Oxygen bleach
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Soaping
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Fading
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Stain
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ISO
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4
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4-5
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6
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4
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5
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