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Properties of substance:

dibenzo-18-crown-6

Group of substances:

organic

Physical appearance:

white needles crystals

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

C20H24O6

Molar/atomic mass: 360.41

Melting point (°C):

162.5-164

Boiling point (°C):

380

Solubility (g/100 g of solvent):

1,4-dioxane: 0.7 (30°C) [Ref.]
acetone: 0.7 (43.3°C) [Ref.]
benzene: 0.74 (26°C) [Ref.]
benzene: 1.3 (47°C) [Ref.]
chloroform: 5 (26°C) [Ref.]
chloroform: 5.8 (30.8°C) [Ref.]
chloroform: 11.1 (55.8°C) [Ref.]
cyclohexane: 0.03 (26°C) [Ref.]
dimethylsulfoxide: 2 (51.3°C) [Ref.]
ethanol: 0.4 (26°C) [Ref.]
heptane: 0.1 (91°C) [Ref.]
methanol: 0.1 (80.8°C) [Ref.]
water: 0.1 (26°C) [Ref.]

LD50 (mg/kg):

11000 (rats, oral)

References:

  1. American Journal of Polymer Science. - 2012. - Vol. 2, No. 3. - pp. 35-38
  2. Yalkowsky S.H., Yan H. Handbook of aqueous solubility data. - CRC Press, 2003. - pp. 1159
  3. Давыдова С.Л. Удивительные макроциклы. - Л.: Химия, 1989. - pp. 10 [Russian]
  4. Успехи химии. - 1973. - Т.42, №3. - pp. 494 [Russian]
  5. Хираока М. Краун-соединения: свойства и применения. - М.: Мир, 1986. - pp. 34-48, 341 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru