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CAS No 3232-84-6 , 1,2,4-triazolidine-3,5-dione

  • Name: 1,2,4-triazolidine-3,5-dione
  • Synonyms: s-Triazole-2,5-diol;1,2,4-Triazolidine-3,5-dione;1,2,4-triazolidine-3,5-dione; Urazole bicarbamide; Urazol; NSC1892; s-Triazole-3,5-diol; Bicarbamimide; 3232-84-6;
  • CAS Registry Number:
  • Melting Point: 240-245 °C(lit.)
  • Flash Point: °C
  • Boiling Point: °Cat760mmHg
  • Density: 1.447g/cm3
  • Refractive index: 1.471
  • Safety Statements:
    Safety Statements 24/25
    WGK Germany 3
  • Flash Point: °C
  • EINECS: 221-776-9
  • Molecular Weight: 101.06412
  • InchiKey: UDATXMIGEVPXTR-UHFFFAOYSA-N
  • InChI: InChI=1S/C2H3N3O2/c6-1-3-2(7)5-4-1/h(H3,3,4,5,6,7)
  • Risk Statements: S24/25 :Avoid contact with skin and eyes.;
  • Molecular Formula: C2H3N3O2
  • Molecular Structure:CAS No:3232-84-6 1,2,4-triazolidine-3,5-dione

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References of 1,2,4-triazolidine-3,5-dione
Title: Urazole
CAS Registry Number: 3232-84-6
CAS Name: 1,2,4-Triazolidine-3,5-dione
Synonyms: bicarbamimide; 1H-1,2,4-triazole-3,5(2H,4H)-dione; hydrazodicarbonimide; 3,5-diketotriazolidine
Molecular Formula: C2H3N3O2
Molecular Weight: 101.06
Percent Composition: C 23.77%, H 2.99%, N 41.58%, O 31.66%
Literature References: Prepd by heating biuret with hydrazine hydrate at 108°: Stolle, Krauch, J. Prakt. Chem. [2] 88, 313 (1913). From methyl or ethyl allophanate: Gordon, Audrieth, Inorg. Synth. 5, 52 (1957).
Properties: Leaflets from water, dec 249-250°. Weak acid, Ka: 1.6′10-6. pH of satd aqueous soln at 25° = 3.15. Soly in water (g/100 ml): 2.83 (0°); 23.7 (65°). Sparingly sol in alc, practically insol in ether. Sol in concd HCl from which it crystallizes without change. Forms ammonium and sodium salts.