4-hydroxy-2-oxo-2H-chromene-3-carbaldehyde

4-羟基-2-氧代-2H-苯并吡喃-3-甲醛

Also known as: 4-hydroxy-2-oxo-2H-1-benzopyran-3-carboxaldehyde, 4-hydroxy-2-oxo-2H-benzopyran-3-carboxaldehyde, 4-hydroxy-2-oxo-chromen-3-carbaldehyde, 4-hydroxycoumarin-3-carboxaldehyde, 4-hydroxy-3-formylcoumarin, 2H-1-benzopyran-3-carboxaldehyde,4-hydroxy-2-oxo, AKOS BB-9946, AKOS BBS-00001105, AURORA KA-4670, SALOR-INT L481548-1EA

4-hydroxy-2-oxo-2H-chromene-3-carbaldehyde (CAS 51751-34-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C10H6O4 and a molecular weight of 190.15200 g/mol. It is also known as 4-hydroxy-2-oxo-2H-1-benzopyran-3-carboxaldehyde, 4-hydroxy-2-oxo-2H-benzopyran-3-carboxaldehyde and 4-hydroxy-2-oxo-chromen-3-carbaldehyde. Key properties include a melting point of 138-140°C (lit.), a boiling point of 405.082ºC at 760 mmHg, a density of 1.63g/cm3 and a flash point of 170.059ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

51751-34-9

Jingsj CID

J-1484314-5

Molecular Formula

C₁₀H₆O₄

Chinese Name

4-羟基-2-氧代-2H-苯并吡喃-3-甲醛

Molecular Weight

190.15200 g/mol

Category

Aromatic Hydrocarbons

Last updated

8/21/2026