50743-20-9
50743-20-9 structure
- Name: 6-chloro-3-cyanochromone
- Chemical Name: 6-chloro-4-oxochromene-3-carbonitrile
- CAS Number: 50743-20-9
- Molecular Formula: C10H4ClNO2
- Molecular Weight: 205.59700
- Catalog: Pharmaceutical intermediate Heterocyclic compound Pyran compound
- Create Date: 2018-09-17 08:51:13
- Modify Date: 2025-08-21 13:28:47
| Name | 6-chloro-4-oxochromene-3-carbonitrile |
|---|---|
| Synonyms |
6-chlor-4-oxo-4H-1-benzopyran-3-carbonitrile
MFCD00191905 6-Chloro-3-cyanochromone 6-chloro-4-oxo-4h-chromene-3-carbonitrile 6-chloro-4-oxo-4H-1-benzopyran-3-carbonitrile |
| Density | 1.48g/cm3 |
|---|---|
| Boiling Point | 390.2ºC at 760 mmHg |
| Melting Point | 209-211 °C(lit.) |
| Molecular Formula | C10H4ClNO2 |
| Molecular Weight | 205.59700 |
| Flash Point | 189.8ºC |
| Exact Mass | 204.99300 |
| PSA | 54.00000 |
| LogP | 2.31808 |
| Index of Refraction | 1.636 |
| Symbol |
GHS07 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H315-H319-H335 |
| Precautionary Statements | P261-P305 + P351 + P338 |
| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Gloves |
| Hazard Codes | Xi |
| Risk Phrases | 36/37/38 |
| Safety Phrases | S26-S36 |
| RIDADR | UN3439 |
| WGK Germany | 3 |
| Packaging Group | III |
| Hazard Class | 6.1 |
| HS Code | 2926909090 |
| HS Code | 2926909090 |
|---|---|
| Summary | HS:2926909090 other nitrile-function compounds VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |