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Properties of substance:

paraldehyde

Group of substances:

organic

Physical appearance:

colorless liquid

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

C6H12O3

Structural formula as text:

(CH3CHO)3

Molar/atomic mass: 132.158

Melting point (°C):

12.6

Boiling point (°C):

124.4

CAS №: 123-63-7

Solubility (g/100 g of solvent):

chloroform: miscible [Ref.]
diethyl ether: miscible [Ref.]
ethanol: miscible [Ref.]
water: 12 (13°C) [Ref.]
water: 5.88 (100°C) [Ref.]

Density:

0.9943 (20°C, g/cm3)

Reactions:

  1. [Ref.1]
    3C6H5OCH3 + (CH3CHO)3 + 3HCl → 3CH3OC6H4CHClCH3 + 3H2O

Refractive index (nD):

1.4049 (20°C)

Permittivity (dielectric constant):

13.9 (25°C)

Dipole moment (D):

1.92 (20°C)

Surface tension (mN/m):

25.9 (20°C)

Molar enthalpy (heat) of fusion ΔfusH (kJ/mol):

13.83

LD50 (mg/kg):

2400 (rats, oral)
1850 (mice, oral)

References:

  1. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 441-442
  2. Yalkowsky S.H., Yan H. Handbook of aqueous solubility data. - CRC Press, 2003. - pp. 308
  3. Некрасов Б.В. Основы общей химии. - Т.1. - М.: Химия, 1973. - pp. 560 [Russian]
  4. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 170 [Russian]
  5. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 457 [Russian]
  6. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 858-859 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru