4-Hydroxy-3-nitrocoumarin
- CAS NO.：20261-31-8
- Empirical Formula: C9H5NO5
- Molecular Weight: 207.14
- MDL number: MFCD00051671
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-11-04 17:04:01
What is 4-Hydroxy-3-nitrocoumarin?
Chemical properties
yellow to tan crystalline powder
The Uses of 4-Hydroxy-3-nitrocoumarin
4-Hydroxy-3-nitrocoumarin (cas# 20261-31-8) is a compound useful in organic synthesis.
The Uses of 4-Hydroxy-3-nitrocoumarin
4-Hydroxy-3-nitrocoumarin may be used as starting reagent for the synthesis of following compounds:
- 4-chloro-3-nitrocoumarin
- 2-unsubstituted 3-nitrochromone
- 4-amino-3-nitrocoumarins
General Description
4-Hydroxy-3-nitrocoumarin is a coumarin derivative and its cytotoxic action against cultured human tumor and normal cells has been investigated. It can be prepared by the nitration of 4-hydroxycoumarin in glacial acetic acid by using 72% HNO3.
Properties of 4-Hydroxy-3-nitrocoumarin
| Melting point: | 172 °C (dec.) (lit.) |
| Boiling point: | 364.5±42.0 °C(Predicted) |
| Density | 1.63±0.1 g/cm3(Predicted) |
| form | powder to crystal |
| pka | 4.50±1.00(Predicted) |
| color | White to Yellow to Green |
| λmax | 329nm(EtOH(50vol%))(lit.) |
| BRN | 1247343 |
| CAS DataBase Reference | 20261-31-8(CAS DataBase Reference) |
Safety information for 4-Hydroxy-3-nitrocoumarin
| Signal word | Danger |
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H301:Acute toxicity,oral |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P405:Store locked up. P501:Dispose of contents/container to..… |
Computed Descriptors for 4-Hydroxy-3-nitrocoumarin
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