149418-41-7
149418-41-7 structure
- Name: 3,4-dibromo-5H-furan-2-one
- Chemical Name: 3,4-dibromo-2H-furan-5-one
- CAS Number: 149418-41-7
- Molecular Formula: C4H2Br2O2
- Molecular Weight: 241.86500
- Create Date: 2018-12-30 17:12:03
- Modify Date: 2025-08-25 18:58:12
| Name | 3,4-dibromo-2H-furan-5-one |
|---|---|
| Synonyms |
3,4-Dibrom-5H-furan-2-on
3,4-dibromofuran-2(5H)-one 2,3-Dibrom-4-hydroxy-cis-crotonsaeure-lacton 3,4-dibromo-5H-furan-2-one 3,4-Dibromo-2(5H)-furanone 2,3-dibromo-4-hydroxy-cis-crotonic acid-lactone |
| Density | 2.566g/cm3 |
|---|---|
| Boiling Point | 315ºC at 760 mmHg |
| Melting Point | 90 - 94 ℃ |
| Molecular Formula | C4H2Br2O2 |
| Molecular Weight | 241.86500 |
| Flash Point | 144.3ºC |
| Exact Mass | 239.84200 |
| PSA | 26.30000 |
| LogP | 1.54460 |
| Vapour Pressure | 0.000449mmHg at 25°C |
| Index of Refraction | 1.673 |
| Symbol |
GHS07 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H302-H317-H319 |
| Precautionary Statements | P280-P305 + P351 + P338 |
| Hazard Codes | Xi |
| Risk Phrases | 22-36 |
| RIDADR | NONH for all modes of transport |
| HS Code | 2932209090 |
|
~97%
149418-41-7 |
| Literature: Cunha, Silvio; Oliveira, Caio C.; Sabino, Jose R. Journal of the Brazilian Chemical Society, 2011 , vol. 22, # 3 p. 598 - 603 |
|
~%
149418-41-7 |
| Literature: American Chemical Journal, , vol. 16, p. 208 Justus Liebigs Annalen der Chemie, , vol. 232, p. 86 Chemische Berichte, , vol. 12, p. 1203 |
|
~%
149418-41-7 |
| Literature: American Chemical Journal, , vol. 16, p. 208 |
|
~%
149418-41-7 |
| Literature: Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, , vol. 148, p. 420 |
|
~%
Detail
|
| Literature: Bulletin de la Societe Chimique de France, , p. 339 |
| Precursor 7 | |
|---|---|
| DownStream 8 | |
| HS Code | 2932209090 |
|---|---|
| Summary | 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |