Important Organic Synthesis Intermediate: 4-Chromanone serves as a key chemical building block widely used in organic synthesis, especially in pharmaceutical development.
Chromanone CAS#491-37-2
Stable Bicyclic Structure: Its unique bicyclic structure with a ketone functional group provides good chemical reactivity and versatility for further modifications.
Good Solubility in Organic Solvents: The compound dissolves well in various organic solvents, making it convenient for laboratory and industrial synthesis processes.
Suitable for Pharmaceutical Applications: Due to its structural properties, 4-Chromanone is commonly used as an intermediate in the preparation of pharmaceutical compounds and specialty chemicals.
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Products Description of 4-Chromanone CAS#491-37-2
4-Chromanone (CAS# 491-37-2) is a yellow-brown solid or crystalline compound () used as a chemical building block and intermediate in organic synthesis, particularly for pharmaceuticals. It features a bicyclic structure with a ketone group, with properties including a molecular weight of 148.16, a melting point of , and solubility in organic solvents.
4-Chromanone Chemical Properties
| Melting point | 35-38 °C(lit.) |
| Boiling point | 127-128 °C13 mm Hg(lit.) |
| density | 1.1291 |
| refractive index | n20/D 1.575(lit.) |
| Fp | >230 °F |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| form | Crystalline Powder, Crystals or Low Melting Mass |
| color | White to yellow |
| Water Solubility | Slightly soluble in water. |
| BRN | 124652 |
| InChIKey | MSTDXOZUKAQDRL-UHFFFAOYSA-N |
| LogP | 1.990 (est) |
| CAS DataBase Reference | 491-37-2(CAS DataBase Reference) |
| NIST Chemistry Reference | 4H-1-Benzopyran-4-one, 2,3-dihydro-(491-37-2) |
| EPA Substance Registry System | 4H-1-Benzopyran-4-one, 2,3-dihydro- (491-37-2) |
| Hazard Codes | Xi |
| Risk Statements | 33-36/37/38 |
| Safety Statements | 24/25-36-26 |
| WGK Germany | 2 |
| RTECS | DJ2981225 |
| TSCA | Yes |
| HazardClass | IRRITANT |
| HS Code | 29329990 |
Product Application of 4-Chromanone CAS#491-37-2
It is a versatile intermediate in the synthesis of more complex molecules, including those with potential antioxidant and anti-inflammatory properties. It is also used to study enzyme catalytic ability.
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