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CAS No 528-71-2 , 5H-phenazin-1-one

  • Name: 5H-phenazin-1-one
  • Synonyms: Pyoxanthose; 1-hydroxy-; Phenazin-1-ol; Hemipyocyanin; alpha-Hydroxyphenazine; 528-71-2;1-Phenazinol;5H-phenazin-1-one; Phenazine; Hemipyocyanine;
  • CAS Registry Number:
  • Melting Point: 158°C
  • Flash Point: 213.864°C
  • Boiling Point: 430.012°C at 760 mmHg
  • Density: 1.376g/cm3
  • Refractive index: 1.783
  • Safety Statements: 22-24/25
  • Flash Point: 213.864°C
  • Molecular Weight: 196.20472
  • InchiKey: KLJWTLFECGZQCL-UHFFFAOYSA-N
  • InChI: InChI=1S/C12H8N2O/c15-11-7-3-6-10-12(11)14-9-5-2-1-4-8(9)13-10/h1-7,13H
  • Molecular Formula: C12H8N2O
  • Molecular Structure:CAS No:528-71-2 5H-phenazin-1-one

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1/1
References of 5H-phenazin-1-one
Title: Hemipyocyanine
CAS Registry Number: 528-71-2
CAS Name: 1-Phenazinol
Synonyms: a-hydroxyphenazine; 1-hydroxy-5,10-diazoanthracene; pyoxanthose
Molecular Formula: C12H8N2O
Molecular Weight: 196.20
Percent Composition: C 73.46%, H 4.11%, N 14.28%, O 8.15%
Literature References: Found in old cultures of Pseudomonas pyocyanea. Isoln: Fordos, Compt. Rend. 56, 1128 (1863). Prepd from pyocyanine by the action of 2% NaOH: Wrede, Strack, Z. Physiol. Chem. 140, 12 (1924); by the reaction of pyrogallol monomethyl ether and o-phenylenediamine followed by demethylation of the formed a-methoxyphenazine: Surrey, Org. Synth. coll. vol. III, 753 (1955). Alternate syntheses: Hegedüs, Helv. Chim. Acta 33, 766 (1950); Vivian, Nature 178, 753 (1956).
Properties: Yellow needles from benzene, mp 159-160°. Sublimes easily in vacuo. Slightly sol in hot water; freely sol in the usual organic solvents except petr ether. Sol in aq alkaline solns with purplish-red color which turns yellow on neutralization. Forms red salts with mineral acids.
Melting point: mp 159-160°