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Properties of substance:

1,3,5-trioxane

Group of substances:

organic

Physical appearance:

needles crystals

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

C3H6O3

Structural formula as text:

(CH2O)3

Molar/atomic mass: 90.078

Melting point (°C):

64

Boiling point (°C):

115

Solubility (g/100 g of solvent):

acetic acid: 66.6 (25°C) [Ref.]
acetic acid: 108.3 (35°C) [Ref.]
benzene: 58.7 (25°C) [Ref.]
benzene: 96.1 (35°C) [Ref.]
benzene: 163.2 (45°C) [Ref.]
carbon disulphide: soluble [Ref.]
carbon tetrachloride: soluble [Ref.]
chloroform: soluble [Ref.]
diethyl ether: soluble [Ref.]
ethanol: soluble [Ref.]
petroleum ether: sparingly soluble [Ref.]
toluene: 69.5 (35°C) [Ref.]
toluene: 138.1 (45°C) [Ref.]
trichloroethylene: 29.9 (25°C) [Ref.]
trichloroethylene: 53.8 (35°C) [Ref.]
trichloroethylene: 88.7 (45°C) [Ref.]
water: 21.1 (25°C) [Ref.]

Density:

1.17 (65°C, g/cm3)

Vapour pressure (Torr):

1 (46°C)

    Dipole moment (D):

    2.08 (20°C)

    Standard molar enthalpy (heat) of formation ΔfH0 (298.15 K, kJ/mol):

    -522.5 (s)

    Standard molar entropy S0 (298.15 K, J/(mol·K)):

    133 (s)

    Molar heat capacity at constant pressure Cp (298.15 K, J/(mol·K)):

    111.4 (s)

    Standard molar enthalpy (heat) of formation ΔfH0 (298.15 K, kJ/mol):

    -465.9 (g)

    References:

    1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-24
    2. Yalkowsky S.H., Yan H., Jain P. Handbook of aqueous solubility data. – 2nd ed. - CRC Press, 2010. - pp. 65
    3. Огородников С.К. Формальдегид. - Л.: Химия, 1984. - pp. 20-22 [Russian]
    4. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 184 [Russian]
    5. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 371 [Russian]
    6. Энциклопедия полимеров. - Т.2, Л-Полинозные волокна. - М.: Советская энциклопедия, 1974. - pp. 1004 [Russian]
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru