25966-39-6
25966-39-6 structure
- Name: 2(3H)-Furanone,3-bromodihydro-5-methyl-
- Chemical Name: 3-bromo-5-methyloxolan-2-one
- CAS Number: 25966-39-6
- Molecular Formula: C5H7BrO2
- Molecular Weight: 179.01200
- Create Date: 2018-05-18 08:00:00
- Modify Date: 2025-08-25 22:39:56
| Name | 3-bromo-5-methyloxolan-2-one |
|---|---|
| Synonyms |
EINECS 247-380-6
2-bromo-2-methylbutyrolactone MFCD00005388 |
| Density | 1.618g/cm3 |
|---|---|
| Boiling Point | 254.1ºC at 760mmHg |
| Molecular Formula | C5H7BrO2 |
| Molecular Weight | 179.01200 |
| Flash Point | 107.5ºC |
| Exact Mass | 177.96300 |
| PSA | 26.30000 |
| LogP | 1.08530 |
| Vapour Pressure | 0.0175mmHg at 25°C |
| Index of Refraction | n20/D 1.493(lit.) |
| Symbol |
GHS05, GHS07 |
|---|---|
| Signal Word | Danger |
| Hazard Statements | H314-H335 |
| Precautionary Statements | P261-P280-P305 + P351 + P338-P310 |
| Personal Protective Equipment | Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter |
| Hazard Codes | C |
| Risk Phrases | R34;R36/37 |
| Safety Phrases | S26;S27;S28;S45;S36/S37/S39 |
| RIDADR | UN 3265 8/PG 2 |
| Packaging Group | III |
| HS Code | 2932209090 |
|
~60%
25966-39-6 |
| Literature: Synlett, , # 17 art. no. G24105ST, p. 2648 - 2652 |
|
~%
25966-39-6 |
| Literature: US2530348 , ; US2557779 , ; Nippon Kagaku Zasshi, , vol. 80, p. 924,933 Chem.Abstr., , p. 4529 |
|
~%
25966-39-6 |
| Literature: Journal of Heterocyclic Chemistry, , vol. 17, # 9 p. 1389 - 1392 |
| Precursor 4 | |
|---|---|
| DownStream 6 | |
| HS Code | 2932209090 |
|---|---|
| Summary | 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |