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Properties of substance:

glyoxylic acid

Group of substances:

organic

Physical appearance:

colorless prismatic crystals

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

C2H4O4

Structural formula as text:

(HO)2CHCOOH

Molar/atomic mass: 92.06

Melting point (°C):

98

Solubility (g/100 g of solvent):

benzene: sparingly soluble [Ref.]
diethyl ether: difficulty soluble [Ref.]
ethanol: difficulty soluble [Ref.]
water: very soluble [Ref.]

    Dissociation:

    pKa (1) = 3.3 (25°C, water)

    References:

    1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 3-286
    2. Краткая химическая энциклопедия. - Т. 1: А-Е. - М.: Советская энциклопедия, 1961. - pp. 969-970 [Russian]
    3. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 622-623 [Russian]
    4. Хёрд Ч.Д. Пиролиз соединений углерода. - Л.-М.: ГОНТИ РКТП СССР, 1938. - pp. 228 [Russian]
    5. Химическая энциклопедия. - Т. 1. - М.: Советская энциклопедия, 1988. - pp. 110 [Russian]
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru