Chromanone CAS#491-37-2

Key Building Block for Organic Synthesis – 4‑Chromanone acts as a vital synthetic precursor and finds extensive use in organic chemistry routes, particularly within pharmaceutical research and development.

Distinct Stable Bicyclic Skeleton – Featuring a distinctive bicyclic framework carrying a ketone moiety, it exhibits favorable chemical reactivity and can undergo diverse structural derivatization.

Favorable Organic Solvent Affinity – This substance achieves high miscibility with a range of organic media, which facilitates smooth handling during lab‑scale trials and industrial synthetic operations.

Ideal for Pharmaceutical Manufacturing – Thanks to its inherent structural traits, 4‑Chromanone is frequently adopted as an intermediate to construct drug molecules and fine specialty chemicals.

Products Description of 4‑Chromanone (CAS#491‑37‑2)

4‑Chromanone is a yellowish‑brown crystalline or solid substance with the molecular formula C₉H₈O₂. It functions as a valuable synthetic precursor and intermediate for organic chemistry workflows, with prominent applications in pharmaceutical development. This molecule owns a bicyclic framework bearing a ketone functional group. Its core physical parameters include a molecular weight of 148.16 and a melting range of 35–38°C, and it can dissolve readily in organic solvents.1773192944127833.jpg.webp

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
InChIKeyMSTDXOZUKAQDRL-UHFFFAOYSA-N
LogP1.990 (est)
CAS DataBase Reference491-37-2(CAS DataBase Reference)
NIST Chemistry Reference4H-1-Benzopyran-4-one, 2,3-dihydro-(491-37-2)
EPA Substance Registry System4H-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

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Product Application of 4‑Chromanone (CAS#491‑37‑2)

This compound acts as a flexible synthetic precursor for constructing intricate molecular frameworks, among which many derivatives possess prospective antioxidant and anti‑inflammatory bio‑properties. Besides synthetic purposes, it is also adopted for experimental research targeting enzyme catalytic performance.1773192993416308.jpg.webp

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