5-bromo-2-(9-chloro-3-oxonaphtho[1,2-b]thien-2(3H)-ylidene)-1,2-dihydro-3H-indol-3-one
5-bromo-2-(9-chloro-3-oxonaphtho[1,2-b]thien-2(3H)-ylidene)-1,2-dihydro-3H-indol-3-one Basic information
- Product Name:
- 5-bromo-2-(9-chloro-3-oxonaphtho[1,2-b]thien-2(3H)-ylidene)-1,2-dihydro-3H-indol-3-one
- Synonyms:
-
- 5-bromo-2-(9-chloro-3-oxonaphtho[1,2-b]thien-2(3H)-ylidene)-1,2-dihydro-3H-indol-3-one
- Vat Black 1
- (2E)-5-bromo-2-(9-chloro-3-oxobenzo[g][1]benzothiol-2-ylidene)-1H-indol-3-one
- 5-bromo-2-(9-chloro-3-oxonaphtho(1,2-b)thien-2(3h)-ylidene)-3-indolinon
- C.I. Vat black 1
- 2-(5-Bromo-3-oxo-2,3-dihydro-1H-indol-2-ylidene)-9-chloro-2,3-dihydronaphtho[1,2-b]thiophen-3-one
- C.I.73670
- Helanthrene Black BL
- CAS:
- 3687-67-0
- MF:
- C20H9BrClNO2S
- MW:
- 442.71
- EINECS:
- 222-983-7
- Product Categories:
-
- Organics
- Mol File:
- 3687-67-0.mol
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5-bromo-2-(9-chloro-3-oxonaphtho[1,2-b]thien-2(3H)-ylidene)-1,2-dihydro-3H-indol-3-one Chemical Properties
- Boiling point:
- 559.8±50.0 °C(Predicted)
- Density
- 1.6215 (estimate)
- pka
- -5.99±0.20(Predicted)
- EPA Substance Registry System
- 3H-Indol-3-one, 5-bromo-2-(9-chloro-3-oxonaphtho[1,2-b]thien-2(3H)-ylidene)-1,2-dihydro- (3687-67-0)
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5-bromo-2-(9-chloro-3-oxonaphtho[1,2-b]thien-2(3H)-ylidene)-1,2-dihydro-3H-indol-3-one Usage And Synthesis
Preparation
9-Chloronaphtho[1,2-b]thiophen-3(2H)-one with 5-Bromo-2-chloro-3H-indol-3-one?condensation.
Properties and Applications
blue light grey to blue black. Black powder. Not soluble in organic solvent. In concentrated sulfuric acid for olive, dilution after black precipitation; In concentrated nitric acid for black. Alkaline reduction leuco for gold; Acid reduction leuco for pale yellow. Mainly used for cotton fabric printing, also can be used for silk and wool dyeing. When dyed cotton commonly used in dyeing light color; When printing is suitable for direct printing, dyeing of wool when good affinity.
| Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
| Fading | Stain | ||||||
| ISO | 4-5 | 5 | 6-7 | 4-5 | 4 | 4-5 | 5 |
| AATCC | 4 | 5 | 6 | 4 | |||
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5-bromo-2-(9-chloro-3-oxonaphtho[1,2-b]thien-2(3H)-ylidene)-1,2-dihydro-3H-indol-3-one(3687-67-0)Related Product Information
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