493-57-2
493-57-2 structure
- Name: Benzo[b]thiophene-2,3-dione
- Chemical Name: 1-benzothiophene-2,3-dione
- CAS Number: 493-57-2
- Molecular Formula: C8H4O2S
- Molecular Weight: 164.18100
- Create Date: 2018-06-11 21:54:18
- Modify Date: 2025-08-25 00:17:30
| Name | 1-benzothiophene-2,3-dione |
|---|---|
| Synonyms |
Benzothiophene 2,3-dione
Thionaphthenquinone Thionaphthoquinone benzo[b]thiophene-2,3-quinone 1-benzothiophen-2,3-dione 2,3-Thionaphthenequinone Thioisatin 2,3-dihydrobenzo[b]thiophene-2,3-dione Thianaphthenequinone Benzo(b)thiophene-2,3-dione |
| Density | 1.479g/cm3 |
|---|---|
| Boiling Point | 247ºC at 760mmHg |
| Melting Point | 119-121ºC |
| Molecular Formula | C8H4O2S |
| Molecular Weight | 164.18100 |
| Flash Point | 103ºC |
| Exact Mass | 163.99300 |
| PSA | 59.44000 |
| LogP | 1.50160 |
| Vapour Pressure | 0.0263mmHg at 25°C |
| Index of Refraction | 1.686 |
| Storage condition | 20°C |
| Hazard Codes | Xn |
|---|---|
| Risk Phrases | 41-43-52 |
| Safety Phrases | 26-36/37-39 |
| Precursor 9 | |
|---|---|
| DownStream 10 | |
![(2E)-Δ2,2'-Bi[benzo[b]thiophene-3(2H)-one] structure](https://image.chemsrc.com/caspic/180/3844-31-3.png)
![2-(10-oxo-10H-phenanthren-9-ylidene)-benzo[b]thiophen-3-one structure](https://image.chemsrc.com/caspic/132/69882-78-6.png)
![[1]Benzothieno[2,3-b]quinoxaline structure](https://image.chemsrc.com/caspic/072/243-69-6.png)
![benzo[d]isothiazole-3-carboxamide structure](https://image.chemsrc.com/caspic/174/16807-21-9.png)
