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Properties of substance:

maleic anhydride

Group of substances:

organic

Physical appearance:

colorless rhombic crystals

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

C4H2O3

Molar/atomic mass: 98.0569

Melting point (°C):

52.8

Boiling point (°C):

199.9

Solubility (g/100 g of solvent):

acetone: 233 (20°C) [Ref.]
benzene: 49 (20°C) [Ref.]
carbon tetrachloride: 0.6 (20°C) [Ref.]
chloroform: 51.5 (20°C) [Ref.]
ethanol: difficulty soluble [Ref.]
ethyl acetate: 113 (20°C) [Ref.]
ligroin: difficulty soluble [Ref.]
water: sparingly soluble [Ref.]
xylene: 19 (29.7°C) [Ref.]

Density:

1.48 (20°C, g/cm3)
  • Yeild 100%. [Ref.1, Ref.2aster, Ref.3aster]

    • Dipole moment (D):

    3.91 (20°C)

    Viscosity (mPa·s):

    1.53 (70°C)
    0.99 (100°C)

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

    -469.8 (s)

    Heat of combustion (kJ/mol):

    1397

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

    -398.3 (g)

    LD50 (mg/kg):

    625 (white rats, oral)

    References:

    1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-25
    2. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 214
    3. Вредные вещества в промышленности: Справочник для химиков, инженеров и врачей. - 7-е изд., Т.2. - Л.: Химия, 1976. - pp. 22-23 [Russian]
    4. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - 3-е изд. - Л.: Химия, 1991. - pp. 175 [Russian]
    5. Справочник химика. - 2 изд., Т. 2. - Л.-М.: Химия, 1964. - pp. 762-763 [Russian]

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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru