3-COUMARANONE
Synonym(s):3-Coumaranone
- CAS NO.：7169-34-8
- Empirical Formula: C8H6O2
- Molecular Weight: 134.13
- MDL number: MFCD00051810
- EINECS: 640-279-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:22:12
What is 3-COUMARANONE?
Chemical properties
white to light yellow crystal powde
The Uses of 3-COUMARANONE
3-Coumaranone is used in the aurones, [2-benzylidenebenzofuran-3(2H)-ones] by reacting with appropriate aldehyde. It is involved in the condensation reaction with aldehydes in the presence of morpholine acetate to prepare substituted 2-(arylidene)benzofuran-3(ZH)-ones. In Horner-Wadsworth-Emmons reaction, it reacts with diethyl? cyanomethyl?phosphonate to give 3-(cyanomethyl)benzofurans, which is an intermediate in the synthesis of antihyperglycemic agents.
What are the applications of Application
Benzofuran-3(2H)-one is undergoes condensation with aldehydes in the presence of morpholine acetate to yield substituted 2-(arylidene)benzofuran-3(ZH)-ones
General Description
Benzofuran-3(2H)-one undergoes condensation with aldehydes in the presence of morpholine acetate to yield substituted 2-(arylidene)benzofuran-3(ZH)-ones. It undergoes acid- or base-catalyzed condensation with an appropriate aldehyde to yield aurones [2-benzylidenebenzofuran-3(2H)-ones].
Properties of 3-COUMARANONE
| Melting point: | 101-103 °C |
| Boiling point: | 207.23°C (rough estimate) |
| Density | 1.1603 (rough estimate) |
| refractive index | 1.4800 (estimate) |
| storage temp. | Keep in dark place,Sealed in dry,Store in freezer, under -20°C |
| solubility | Chloroform (Slightly), DMSO (Slightly) |
| form | Solid |
| color | Yellow to Dark Yellow |
| Water Solubility | Slightly miscible with water. |
| Sensitive | Light Sensitive |
| BRN | 115296 |
| CAS DataBase Reference | 7169-34-8(CAS DataBase Reference) |
| NIST Chemistry Reference | 3(2H)-benzofuranone(7169-34-8) |
Safety information for 3-COUMARANONE
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H332:Acute toxicity,inhalation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 3-COUMARANONE
3-COUMARANONE manufacturer
SAKEM LLP
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