Coumarin-3-carboxylic Acid
Title: Coumarin-3-carboxylic Acid
CAS Registry Number: 531-81-7
CAS Name: 2-Oxo-2H-1-benzopyran-3-carboxylic acid
Molecular Formula: C10H6O4
Molecular Weight: 190.15
Percent Composition: C 63.16%, H 3.18%, O 33.66%
Literature References: By heating salicylaldehyde with malonic acid in glacial acetic acid. Review: Sethna, Shah, Chem. Rev. 36, 1 (1945).
Properties: Needles from water, mp 188° (dec). Slightly sol in water; sol in alc, alkalies. Insol in ether, benzene, petr ether.
Melting point: mp 188° (dec)

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