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Properties of substance:

ortho-toluic acid

Group of substances:

organic

Physical appearance:

colorless needles crystals

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

C8H8O2

Structural formula as text:

CH3C6H4COOH

CAS No: 118-90-1

Molar/atomic mass: 136.148

Melting point (°C):

107

Boiling point (°C):

258

Solubility (g/100 g of solvent):

formic acid 95%: 2.99 (20.8°C) [Ref.]
m-xylene: 6.13 (14°C) [Ref.]
monochlorbenzene: 7.98 (14.1°C) [Ref.]
p-xylene: 7.98 (14°C) [Ref.]
water: 0.1185 (25°C) [Ref.]
water: 2.07 (80°C) [Ref.]

    Dissociation:

    pKa (1) = 3.92 (25°C, water)

    References:

    1. Journal of Physical and Chemical Reference Data. - 2013. - Vol. 42, No. 3. - pp. 033103-441 - 033103-460
    2. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 586-588
    3. Yalkowsky S.H., Yan H. Handbook of aqueous solubility data. - CRC Press, 2003. - pp. 475
    4. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 493 [Russian]
    5. Справочник по растворимости. - Т.1, Кн.2. - М.-Л.: ИАН СССР, 1962. - pp. 1395 [Russian]
    6. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 992-993 [Russian]
    7. Справочник химика. - Т. 3. - М.-Л.: Химия, 1965. - pp. 94 [Russian]
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru