6-ethoxy-2-(6-ethoxy-3-oxobenzo[b]thien-2(3H)-ylidene)benzo[b]thiophene-3(2H)-one
- CAS NO.：3263-31-8
- Empirical Formula: C20H16O4S2
- Molecular Weight: 384.47
- EINECS: 221-869-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-12-18 14:15:30
![6-ethoxy-2-(6-ethoxy-3-oxobenzo[b]thien-2(3H)-ylidene)benzo[b]thiophene-3(2H)-one Structural](https://img.chemicalbook.in/CAS/GIF/3263-31-8.gif)
What is 6-ethoxy-2-(6-ethoxy-3-oxobenzo[b]thien-2(3H)-ylidene)benzo[b]thiophene-3(2H)-one?
Preparation
6-Ethoxybenzo[b]thiophen-3(2H)-one oxidation, the raw material or by carboxy amide route (FIAT 764-PB5626) or by Herz chlorinated sulfur method (FIAT 764-PB25626) preparation.
Properties and Applications
red light orange. Orange red powder. Insoluble in organic solvents.??reduction of basic leuco yellow; acid reduction as a pale yellow leuco. The concentrated sulfuric acid for the brilliant blue purple, diluted with pale red orange precipitate. More sensitive to hard water. The more serious light brittle dye. Mainly for the winter dark serge printing dyeing printing, set off each other extremely bright. Also used for dyeing silk and nylon.
| Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
| Fading | Stain | ||||||
| ISO | 4 | 4 | 4-5 | 4 | 4 | 4 | 4-5 |
| AATCC | 5 | 4-5 | 4 | 4 | 3 | ||
Properties of 6-ethoxy-2-(6-ethoxy-3-oxobenzo[b]thien-2(3H)-ylidene)benzo[b]thiophene-3(2H)-one
| Boiling point: | 481.14°C (rough estimate) |
| Density | 1.3078 (rough estimate) |
| refractive index | 1.4360 (estimate) |
| EPA Substance Registry System | Benzo[b]thiophen-3(2H)-one, 6-ethoxy-2-(6-ethoxy-3-oxobenzo[b]thien-2(3H)-ylidene)- (3263-31-8) |
Safety information for 6-ethoxy-2-(6-ethoxy-3-oxobenzo[b]thien-2(3H)-ylidene)benzo[b]thiophene-3(2H)-one
Computed Descriptors for 6-ethoxy-2-(6-ethoxy-3-oxobenzo[b]thien-2(3H)-ylidene)benzo[b]thiophene-3(2H)-one
6-ethoxy-2-(6-ethoxy-3-oxobenzo[b]thien-2(3H)-ylidene)benzo[b]thiophene-3(2H)-one manufacturer
Vikram And Company
1Y
Phone:+91-9821517722
Whatsapp: +91-9821517722
product: 3263-31-8 Vat orange 5 98%
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