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4-Hydroxycoumarin, 98+%, Thermo Scientific Chemicals
Supplier: Thermo Scientific Chemicals A1439436
Description
4-Hydroxycoumarin is involved in annulation reactions, due to the relatively high acidity of the C-H bond at the 3-position: a three-component reaction with isocyanides and dialkyl acetylene dicarboxylates affords annulated 4H-pyrans.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
Applications4-Hydroxycoumarin is involved in annulation reactions, due to the relatively high acidity of the C-H bond at the 3-position: a three-component reaction with isocyanides and dialkyl acetylene dicarboxylates affords annulated 4H-pyrans.
Solubility
Soluble in ethanol and dimethyl formamide. Insoluble in water.
Notes
Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Incompatible with strong oxidizing agents and strong bases.
Specifications
| 4-Hydroxycoumarin | |
| ∼213°C (decomposition) | |
| C9H6O3 | |
| 500 g | |
| 4-hydroxycoumarin, 4-coumarinol, 4-hydroxy-2h-chromen-2-one, benzotetronic acid, coumarin, 4-hydroxy, 2h-1-benzopyran-2-one, 4-hydroxy, 4-hydroxy-2h-1-benzopyran-2-one, 4-hydroxy-1-benzopyran-2-one, 4-hydroxy-chromen-2-one, unii-x954zll2rd | |
| OWBBAPRUYLEWRR-UHFFFAOYSA-N | |
| 4-hydroxychromen-2-one | |
| 54682930 | |
| 162.14 |
| 1076-38-6 | |
| Odorless | |
| MFCD00006856 | |
| 129768 | |
| Soluble in ethanol and dimethyl formamide. Insoluble in water. | |
| OC1=CC(=O)C2=CC=CC=C2O1 | |
| 162.14 | |
| CHEBI:40070 | |
| ≥98% |
Chemical Identifiers
| 1076-38-6 | |
| 162.14 | |
| OWBBAPRUYLEWRR-UHFFFAOYSA-N | |
| 54682930 | |
| 4-hydroxychromen-2-one |
| C9H6O3 | |
| MFCD00006856 | |
| 4-hydroxycoumarin, 4-coumarinol, 4-hydroxy-2h-chromen-2-one, benzotetronic acid, coumarin, 4-hydroxy, 2h-1-benzopyran-2-one, 4-hydroxy, 4-hydroxy-2h-1-benzopyran-2-one, 4-hydroxy-1-benzopyran-2-one, 4-hydroxy-chromen-2-one, unii-x954zll2rd | |
| CHEBI:40070 | |
| OC1=CC(=O)C2=CC=CC=C2O1 |
Safety and Handling
GHS H Statement
H302-H315-H319-H335
Harmful if swallowed.
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.
GHS P Statement
P261-P280-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapors/spray.
Wear protective gloves/protective clothing/eye protection/face protection.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.
Warning
EINECSNumber : 214-060-2
RTECSNumber : DJ3100000
TSCA : Yes
Recommended Storage : Ambient temperatures
RUO – Research Use Only