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CAS No 67-52-7 , 1,3-diazinane-2,4,6-trione

  • Name: 1,3-diazinane-2,4,6-trione
  • Synonyms: 1,3-diazinane-2,4,6-trione;Malonylurea; 2,4,6-Trihydroxypyrimidine; 2,4,6(1H,3H,5H)-Pyrimidinetrione; 67-52-7; Pyrimidinetrione; 6-Hydroxyuracil;
  • CAS Registry Number:
  • Transport: 25kgs
  • Melting Point: 248-255 ºC
  • Density: 1.455 g/cm3
  • Refractive index: 1.581
  • Water Solubility: 142 G/L (20 ºC)
  • Safety Statements: 24/25
  • HS Code: 29335200
  • EINECS: 200-658-0
  • Molecular Weight: 128.08616
  • InchiKey: HNYOPLTXPVRDBG-UHFFFAOYSA-N
  • InChI: InChI=1S/C4H4N2O3/c7-2-1-3(8)6-4(9)5-2/h1H2,(H2,5,6,7,8,9)
  • Risk Statements: S24/25
  • Molecular Formula: C4H4N2O3
  • Molecular Structure:CAS No:67-52-7 1,3-diazinane-2,4,6-trione

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References of 1,3-diazinane-2,4,6-trione
Title: Barbituric Acid
CAS Registry Number: 67-52-7
CAS Name: 2,4,6(1H,3H,5H)-pyrimidinetrione
Synonyms: malonylurea; 2,4,6-trioxohexahydropyrimidine
Molecular Formula: C4H4N2O3
Molecular Weight: 128.09
Percent Composition: C 37.51%, H 3.15%, N 21.87%, O 37.47%
Literature References: Prepn from hydurilic acid + nitric acid: Baeyer, Ann. 127, 199 (1863); ibid. 130, 129 (1864). Structure: Mulder, Ber. 6, 1233 (1873). Prepd from ethyl malonate and urea using sodium ethoxide as a condensing agent: Dickey, Gray, Org. Synth. coll. vol. II, 60 (1943). Crystal structure: Bolton, Nature 201, 987 (1964). Toxicity study: E. I. Goldenthal, Toxicol. Appl. Pharmacol. 18, 185 (1971). Unsubstituted barbituric acid has no hypnotic properties. Review: Carter, J. Chem. Educ. 28, 524 (1951).
 
Derivative Type: Dihydrate
Properties: Rhombs from water. mp ~248° when anhydrous, with some decompn. Strong acid. K at 25° = 9.9 ′ 10-5. uv spectrum: Hartley, J. Chem. Soc. 87, 1808 (1905). Difficultly sol in cold water; freely sol in hot water, in dil acids. Forms salts with metals. LD50 orally in male rats: >5000 mg/kg (Goldenthal).
Melting point: mp ~248° when anhydrous
Toxicity data: LD50 orally in male rats: >5000 mg/kg (Goldenthal)
 
Use: Manuf plastics, pharmaceuticals.