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Properties of substance:

dicyanodiamide

Synonyms:

cyanoguanidine

Group of substances:

inorganic

Physical appearance:

colorless monoclinic crystals

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

C2H4N4

Structural formula as text:

(H2N)2C=NCN

Molar/atomic mass: 84.08

Melting point (°C):

209-211

Solubility (g/100 g of solvent):

acetone: 1.7 (30°C) [Ref.]
acetone: 2.2 (50°C) [Ref.]
benzene: 0.008 (30°C) [Ref.]
chloroform: insoluble [Ref.]
diethyl ether: 0.0006 (0°C) [Ref.]
diethyl ether: 0.0015 (25°C) [Ref.]
diethyl ether: 0.0026 (35.3°C) [Ref.]
ethanol 95%: 0.937 (0°C) [Ref.]
ethanol 95%: 1.26 (13°C) [Ref.]
ethanol 95%: 1.7 (26.4°C) [Ref.]
ethanol 95%: 2.26 (35°C) [Ref.]
ethanol 95%: 3.3 (49.9°C) [Ref.]
ethanol 95%: 4.13 (60.1°C) [Ref.]
methanol 99%: 3.46 (1°C) [Ref.]
methanol 99%: 4.88 (20°C) [Ref.]
methanol 99%: 5.63 (29.5°C) [Ref.]
methanol 99%: 7.45 (39°C) [Ref.]
methanol 99%: 12.35 (63°C) [Ref.]
water: 1.283 (0°C) [Ref.]
water: 3.101 (20°C) [Ref.]
water: 4.762 (30°C) [Ref.]
water: 7.236 (40°C) [Ref.]
water: 15.97 (60°C) [Ref.]
water: 27.54 (80°C) [Ref.]

Density:

1.404 (14°C, g/cm3)

LD50 (mg/kg):

1000 (white mice, oral)

References:

  1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 3-130
  2. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 99
  3. Yalkowsky S.H., Yan H., Jain P. Handbook of aqueous solubility data. – 2nd ed. - CRC Press, 2010. - pp. 31-32
  4. Бьюкенен Дж. Г. Цианистые соединения и их анализ. - Л., 1933. - pp. 95-96 [Russian]
  5. Вирпша З., Бжезиньский Я. Аминопласты. - М.: Химия, 1973. - pp. 19-21 [Russian]
  6. Вредные вещества в промышленности: Справочник для химиков, инженеров и врачей. - 7-е изд., Т.3. - Л.: Химия, 1976. - pp. 272-273 [Russian]
  7. Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 524-525 [Russian]
  8. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 382 [Russian]
  9. Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 1195 [Russian]
  10. Токсикологический вестник. - 1998. - №4. - pp. 40 [Russian]
  11. Химическая энциклопедия. - Т. 2. - М.: Советская энциклопедия, 1990. - pp. 107 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru