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CAS No 525-82-6 , 2-phenylchromen-4-one Search by region : Netherlands

  • Name: 2-phenylchromen-4-one
  • Synonyms: 2-Phenyl-4H-chromen-4-one; 525-82-6; 2-Phenyl-4-chromone;2-phenylchromen-4-one; 2-Phenyl-4-benzopyron;2-Phenylchromone; 2-phenylchromen-4-one;
  • CAS Registry Number:
  • Flash Point: 171.1°C
  • Boiling Point: 185 °C / 1mmHg
  • Density: 1.239g/cm3
  • Refractive index: 1.635
  • Safety Statements: Poison by intraperitoneal route. Moderately toxic by ingestion and subcutaneous routes. Mutation data reported. When heated to decomposition it emits acrid smoke and irritating vapors.
  • Hazard Symbols: Xi
  • Flash Point: 171.1°C
  • EINECS: 208-383-8
  • Molecular Weight: 222.2387
  • InchiKey: VHBFFQKBGNRLFZ-UHFFFAOYSA-N
  • InChI: InChI=1S/C15H10O2/c16-13-10-15(11-6-2-1-3-7-11)17-14-9-5-4-8-12(13)14/
    h1-10H
  • Risk Statements: S24/25:Avoidcontactwithskinandeyes.;
  • Molecular Formula: C15H10O2
  • Molecular Structure:CAS No:525-82-6 2-phenylchromen-4-one

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525-82-6 Flavone

  • Flavone
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  • Tel: +31 (0)55 50 500 33
  • Fax: +31 (0)55 50 500 34
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References of 2-phenylchromen-4-one
Title: Flavone
CAS Registry Number: 525-82-6
CAS Name: 2-Phenyl-4H-1-benzopyran-4-one
Synonyms: 2-phenylchromone; 2-phenyl-g-benzopyrone; 2-phenyl-1,4-benzopyrone
Molecular Formula: C15H10O2
Molecular Weight: 222.24
Percent Composition: C 81.07%, H 4.54%, O 14.40%
Literature References: Prepn: Feuerstein, Kostanecki, Ber. 31, 1757 (1898); Kostanecki, Tambor, Ber. 33, 330 (1900); Kostanecki, Szabranski, Ber. 37, 2634 (1904); Ruhemann, Ber. 46, 2192 (1913); Bogert, Marcus, J. Am. Chem. Soc. 41, 89 (1919). Isoln from Primula malacoides, Franch., Primulaceae and biological properties: Weller et al., Antibiot. Chemother. 3, 603 (1953). Syntheses: Wheeler, Org. Synth. coll. vol. IV, 478 (1963); Y. Ashihara et al., Bull. Chem. Soc. Jpn. 50, 3298 (1977); A. Banerji, N. C. Goomer, Synthesis 1980, 874.
Properties: Crystals from petr ether, mp 99-100°. Practically insol in water. Sol in most organic solvents. Absorption max: 350, 405 nm.
Melting point: mp 99-100°
Absorption maximum: Absorption max: 350, 405 nm