CAS No 531-81-7 , 2-oxochromene-3-carboxylic acid Search by region : Germany

Name: 2-oxochromene-3-carboxylic acid
Synonyms: 3-Carboxycoumarin; 531-81-7; 2-Oxo-2H-chromene-3-carboxylic acid; 2-Oxochromene-3-carboxylic acid;2-oxochromene-3-carboxylic acid;
CAS Registry Number:531-81-7
Transport: UN 2811
Melting Point: 190-193 ºC
Flash Point: 162.7°C
Boiling Point: 388.6°Cat760mmHg
Density: 1.493g/cm³
Water Solubility: 13 G/L (37 ºC)
Safety Statements: R25
Hazard Symbols: T: Toxic;
Flash Point: 162.7°C
EINECS: 208-518-0
Molecular Weight: 190.15224
InchiKey: ACMLKANOGIVEPB-UHFFFAOYSA-N
InChI: InChI=1S/C10H6O4/c11-9(12)7-5-6-3-1-2-4-8(6)14-10(7)13/h1-5H,(H,11,12)
Risk Statements: S28A;S45
Molecular Formula: C₁₀H₆O₄
Molecular Structure:

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References of 2-oxochromene-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)