204905-77-1
204905-77-1 structure
- Name: 2,3-dihydrothieno[3,4-b][1,4]dioxine-5-carbaldehyde
- Chemical Name: 2,3-dihydrothieno[3,4-b][1,4]dioxine-5-carbaldehyde
- CAS Number: 204905-77-1
- Molecular Formula: C7H6O3S
- Molecular Weight: 170.186
- Create Date: 2018-04-01 08:00:00
- Modify Date: 2026-07-01 09:13:12
| Name | 2,3-dihydrothieno[3,4-b][1,4]dioxine-5-carbaldehyde |
|---|---|
| Synonyms |
3,4-ethylene-dioxothio-phene-2-carbaldehyde
2,3-dihydrothieno[3,4-B][1,4]dioxin-5-ylcarbaldehyde 2-Formyl-3,4-ethylenedioxythiophene 3,4-Ethylenedi 2,3-Dihydrothieno[3,4-b][1,4]dioxine-5-cboxaldehyde 3,4-Ethylenedioxythiophene-2-cboxaldehyde 3,4-Ethylenedioxothiophene-2-cbaldehyde 2-(3,4-ethylenedioxythiophene)cbaldehyde 3,4-Ethylenedioxythiophene-2-cbaldehyde 2,3-DIHYDROTHIENO[3,4-B][1,4]DIOXINE-5-CBALDEHYDE 2,3-Dihydro-thieno[3,4-b][1,4]dioxine-5-; carbaldehyde 2,3-Dihydrothieno[3,4-b][1,4]dioxine-5-carbaldehyde 2,3-dihydrothieno[3,4-b][1,4]dioxine-5-cbaldehy 3,4-ethylenedioxy thiophene-5-carbaldehyde Thieno[3,4-b]-1,4-dioxin-5-cboxaldehyde, 2,3-dihydro 2,3-dihydrothieno[3,4-b][1,4]dioxine-5-cbaL 2,3-Dihydrothieno[3,4-b]-1,4-dioxin-5-cbaldehyde 2,3-dihydro-Thieno[3,4-b]-1,4-dioxin-5-cboxaldehyde |
| Density | 1.4±0.1 g/cm3 |
|---|---|
| Boiling Point | 311.2±42.0 °C at 760 mmHg |
| Melting Point | 138ºC |
| Molecular Formula | C7H6O3S |
| Molecular Weight | 170.186 |
| Flash Point | 142.0±27.9 °C |
| Exact Mass | 170.003769 |
| PSA | 63.77000 |
| LogP | 0.94 |
| Vapour Pressure | 0.0±0.7 mmHg at 25°C |
| Index of Refraction | 1.623 |
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |