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Properties of substance:

cyanuric acid

Group of substances:

organic

Physical appearance:

colorless monoclinic crystals

Empirical formula (Hill's system for organic substances):

C3H3N3O3

Structural formula as text:

C3N3(OH)3

Molar/atomic mass: 129.07

Decomposition temperature (°C):

360

Solubility (g/100 g of solvent):

acetone: insoluble [Ref.]
benzene: 0.23 (25°C) [Ref.]
dimethylformamide: 6.7 (25°C) [Ref.]
dimethylsulfoxide: 15.1 (25°C) [Ref.]
ethanol: sparingly soluble [Ref.]
sulfuric acid: 23.4 (25°C) [Ref.]
water: 0.27 (25.5°C) [Ref.]
water: 0.7 (50°C) [Ref.]
water: 2.6 (90°C) [Ref.]

Reactions of synthesis:

  1. Yeild 68%. [Ref.1]
    24(NH2)2CO + 9Cl2 → 18NH4Cl + 3N2 + 8(CONH)3

Dissociation:

pKa (1) = 6.75 (25°C, water)

References:

  1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 3-130
  2. Russian Journal of Coordination Chemistry. - 2002. - Vol. 28, No. 5. - pp. 305-306
  3. Smolin E.M., Rapoport L. s-Triazines and derivatives. - New York: Interscience Publishers Inc., 1959. - pp. 20-48
  4. Yalkowsky S.H., Yan H., Jain P. Handbook of aqueous solubility data. – 2nd ed. - CRC Press, 2010. - pp. 47
  5. Вирпша З., Бжезиньский Я. Аминопласты. - М.: Химия, 1973. - pp. 28 [Russian]
  6. Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 526 [Russian]
  7. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 1094-1095 [Russian]
  8. Химическая энциклопедия. - Т. 5. - М.: Советская энциклопедия, 1999. - pp. 358 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru