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4-Hydroxycoumarin, 98+%, Thermo Scientific Chemicals
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.
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.
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
Specifications
Melting Point | ∼213°C (decomposition) |
Odor | Odorless |
Quantity | 100 g |
Beilstein | 129768 |
Solubility Information | Soluble in ethanol and dimethyl formamide. Insoluble in water. |
Formula Weight | 162.14 |
Percent Purity | ≥98% |
Chemical Name or Material | 4-Hydroxycoumarin |
Certificates
Certificates
A lot number is required to show results for certificates. To find your lot number on previous orders use our order status area.
Lot Number | Certificate Type | Date | Catalog Number |
---|---|---|---|
10253511 | Certificate of Analysis | 25/12/2024 | A14394.22,A14394.36,A14394.0E |
5001Q03A | Certificate of Analysis | 30/08/2024 | A14394.22,A14394.36,A14394.0E |
10233228 | Certificate of Analysis | 05/03/2024 | A14394.22,A14394.36,A14394.0E |
10249022 | Certificate of Analysis | 15/12/2023 | A14394.22,A14394.36,A14394.0E |
10247103 | Certificate of Analysis | 23/06/2023 | A14394.22,A14394.36,A14394.0E,A14394 |
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