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CAS No 531-81-7 , 2-oxochromene-3-carboxylic acid

  • 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:
  • 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:CAS No:531-81-7 2-oxochromene-3-carboxylic acid

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531-81-7 Coumarin-3-carboxylic acid

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531-81-7 Coumarin-3-carboxylic acid

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531-81-7 2-oxo-2H-chromene-3-carboxylic acid

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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)