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CAS No 69-93-2 , 7,9-dihydro-3H-purine-2,6,8-trione

  • Name: 7,9-dihydro-3H-purine-2,6,8-trione
  • Synonyms: 7,9-dihydro-3H-purine-2,6,8-trione; 2,6,8-trioxypurine; 2,6,8-Trioxopurine;urate; 2,6,8-trihydroxypurine; 69-93-2; Lithic acid; 1H-Purine-2,6,8-triol;
  • CAS Registry Number:
  • Flash Point: 475.7°C
  • Boiling Point: 863°C at 760 mmHg
  • Density: 1,9g/cm3
  • Refractive index: 1.721
  • Safety Statements: Experimental reproductive effects. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx.
  • Hazard Symbols: 33:;
  • Flash Point: 475.7°C
  • EINECS: 200-720-7
  • Molecular Weight: 168.11026
  • InchiKey: LEHOTFFKMJEONL-UHFFFAOYSA-N
  • InChI: InChI=1S/C5H4N4O3/c10-3-1-2(7-4(11)6-1)8-5(12)9-3/h(H4,6,7,8,9,10,11,12)
  • Risk Statements: 24/25,
  • Molecular Formula: C5H4N4O3
  • Molecular Structure:CAS No:69-93-2 7,9-dihydro-3H-purine-2,6,8-trione

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References of 7,9-dihydro-3H-purine-2,6,8-trione
Title: Uric Acid
CAS Registry Number: 69-93-2
CAS Name: 7,9-Dihydro-1H-purine-2,6,8(3H)-trione
Synonyms: 8-hydroxyxanthine; purine-2,6,8-triol; purine-2,6,8(1H,3H,9H)-trione; 2,6,8-trioxypurine
Molecular Formula: C5H4N4O3
Molecular Weight: 168.11
Percent Composition: C 35.72%, H 2.40%, N 33.33%, O 28.55%
Literature References: Discovered by Scheele and independently by Bergman in 1776. It forms the chief end-product of the nitrogenous metabolism of birds and of scaly reptiles and is found in their excrement; present in the urine of all carnivorous animals. Prepn from urea: Bills et al., J. Org. Chem. 27, 4633 (1962). Role in biological processes: Bishop, Talbott, Pharmacol. Rev. 5, 231 (1953).
Properties: White, odorless, tasteless crystals; dec by heat without melting and with evolution of HCN. d 1.89. One gram dissolves in about 15,000 parts cold water, about 2000 parts boiling water; sol in glycerol, in solns of alkali hydroxides, their carbonates, sodium acetate and sodium phosphate. Insol in alcohol, ether. Gives murexide reaction.
Density: d 1.89