42059-76-7
42059-76-7 structure
- Name: 6,8-Dibrom-4-oxo-4H-chromen-3-carbaldehyde
- Chemical Name: 6,8-Dibrom-4-oxo-4H-chromen-3-carbaldehyde
- CAS Number: 42059-76-7
- Molecular Formula: C10H4Br2O3
- Molecular Weight: 331.94500
- Create Date: 2018-04-22 08:00:00
- Modify Date: 2025-08-25 12:30:01
| Name | 6,8-Dibrom-4-oxo-4H-chromen-3-carbaldehyde |
|---|---|
| Synonyms |
6,8-dibromo-2-thioxo-2,3-dihydro-4H-1,3-benzoxazin-4-one
6,8-Dibromo-dihydro-1,3-benzoxazine-2-thione-4-one 6,8-dibromo-4-oxo-4H-1-benzopyran-3-carboxaldehyde |
| Melting Point | 174-176ºC(lit.) |
|---|---|
| Molecular Formula | C10H4Br2O3 |
| Molecular Weight | 331.94500 |
| Exact Mass | 329.85300 |
| PSA | 47.28000 |
| LogP | 3.13050 |
| Symbol |
GHS06 |
|---|---|
| Signal Word | Danger |
| Hazard Statements | H301 |
| Precautionary Statements | P301 + P310 |
| Personal Protective Equipment | Eyeshields;Faceshields;Gloves;type P2 (EN 143) respirator cartridges |
| Risk Phrases | 25 |
| Safety Phrases | 45 |
| RIDADR | UN 2811 6.1/PG 3 |
| HS Code | 2914700090 |
|
~97%
42059-76-7 |
| Literature: Su; Li; Zhao Organic Preparations and Procedures International, 2007 , vol. 39, # 5 p. 495 - 502 |
| Precursor 2 | |
|---|---|
| DownStream 0 | |
| HS Code | 2914700090 |
|---|---|
| Summary | HS: 2914700090 halogenated, sulphonated, nitrated or nitrosated derivatives of ketones and quinones, whether or not with other oxygen function Tax rebate rate:9.0% Supervision conditions:none VAT:17.0% MFN tariff:5.5% General tariff:30.0% |