19446-96-9
19446-96-9 structure
- Name: 4H-1-Benzothiopyran-4-one,2,3-dihydro-, 1,1-dioxide
- Chemical Name: 1,1-dioxo-2,3-dihydrothiochromen-4-one
- CAS Number: 19446-96-9
- Molecular Formula: C9H8O3S
- Molecular Weight: 196.22300
- Create Date: 2018-11-24 20:37:47
- Modify Date: 2024-01-09 21:20:29
| Name | 1,1-dioxo-2,3-dihydrothiochromen-4-one |
|---|---|
| Synonyms |
Thiochroman-4-one,1-dioxide
3,4-dihydro-2H-1-benzothiopyran-4-one 1,1-dioxide thiochroman-4-one 1,1-dioxide 2,3-Dihydro-4H-thiochromen-4-one 1,1-dioxide 4H-1-Benzothiopyran-4-one,2,3-dihydro-,1,1-dioxide 1-thiochroman-4-one 1,1-dioxide Thiochromanone 1,1-dioxide 2,3-dihydro-4(H)-1-benzothiopyran-4-one 1,1-dioxide 1,1-Dioxo-1lambda*6*-thiochroman-4-one |
| Density | 1.408g/cm3 |
|---|---|
| Boiling Point | 432.2ºC at 760mmHg |
| Melting Point | 128-129.5 °C |
| Molecular Formula | C9H8O3S |
| Molecular Weight | 196.22300 |
| Flash Point | 294.1ºC |
| Exact Mass | 196.01900 |
| PSA | 59.59000 |
| LogP | 2.12750 |
| Vapour Pressure | 1.13E-07mmHg at 25°C |
| Index of Refraction | 1.597 |
| HS Code | 2932999099 |
|---|
|
~%
19446-96-9 |
| Literature: Nambara Yakugaku Zasshi, 1958 , vol. 78, p. 624,626 Chem.Abstr., 1958 , p. 18392 |
|
~93%
19446-96-9 |
| Literature: Patonay; Adam; Levai; Koever; Nemeth; Peters Journal of Organic Chemistry, 2001 , vol. 66, # 7 p. 2275 - 2280 |
| Precursor 2 | |
|---|---|
| DownStream 5 | |
![Methyl (6,6-dioxido-4-oxo-3,4-dihydro-2H,5H-thiopyrano[3,2-c]thiochromen-3-yl)(oxo)acetate structure](https://image.chemsrc.com/caspic/015/74122-58-0.png)
| HS Code | 2932999099 |
|---|---|
| Summary | 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |