203256-20-6
203256-20-6 structure
- Name: 4-(7-diethylaminocoumarin-3-yl)benzoyl cyanide
- Chemical Name: 4-[7-(diethylamino)-2-oxochromen-3-yl]benzoyl cyanide
- CAS Number: 203256-20-6
- Molecular Formula: C21H18N2O3
- Molecular Weight: 346.37900
- Catalog: analytical chemistry Analytical reagent Common analytical reagents
- Create Date: 2018-12-20 17:33:15
- Modify Date: 2025-08-26 08:27:26
| Name | 4-[7-(diethylamino)-2-oxochromen-3-yl]benzoyl cyanide |
|---|---|
| Synonyms |
4-(7-Diethylaminocoumarin-3-yl)benzoyl cyanide
DACB-CN |
| Density | 1.259g/cm3 |
|---|---|
| Boiling Point | 557.154ºC at 760 mmHg |
| Molecular Formula | C21H18N2O3 |
| Molecular Weight | 346.37900 |
| Flash Point | 290.756ºC |
| Exact Mass | 346.13200 |
| PSA | 74.31000 |
| LogP | 4.01248 |
| Vapour Pressure | 0mmHg at 25°C |
| Index of Refraction | 1.629 |
| Symbol |
GHS07 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H302 |
| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Faceshields;Gloves |
| Hazard Codes | Xn |
| Risk Phrases | 22 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | 3 |
|
~85%
203256-20-6 |
| Literature: Takechi, Haruko; Goto, Yasuo; Machida, Minoru Chemical and Pharmaceutical Bulletin, 1998 , vol. 46, # 1 p. 159 - 162 |
| Precursor 1 | |
|---|---|
| DownStream 0 | |