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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](CAS/GIF/6424-67-5.gif) |
| 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) |
| 5,7-dichloro-1,2-dihydro-2-(1-oxonaphtho[2,1-b]thien-2(1H)-ylidene)-3H-indol-3-one Usage And Synthesis |
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
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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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| 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 |
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