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Properties of substance:

D-alanine



skc-file

Synonyms:

(R)-2-aminopropanoic acid

Group of substances:

organic

Physical appearance:

prismatic crystals

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

C3H7NO2

Structural formula as text:

CH3CH(NH2)COOH

Molar/atomic mass: 89.093

Melting point (°C):

297

Decomposition temperature (°C):

297

Solubility (g/100 g of solvent):

diethyl ether: insoluble [Ref.]
ethanol: 0.25 (20°C) [Ref.]
water: 11.27 (0°C) [Ref.]
water: 13.63 (20°C) [Ref.]
water: 27.17 (100°C) [Ref.]

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

    -561.2 (s)

    References:

    1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-24
    2. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 198-199
    3. Yalkowsky S.H., Yan H., Jain P. Handbook of aqueous solubility data. – 2nd ed. - CRC Press, 2010. - pp. 70-71
    4. Губен И. Методы органической химии. - Т. 4, Вып. 2. - М.-Л.: ГНТИХЛ, 1949. - pp. 910 [Russian]
    5. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 121 [Russian]
    6. Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 391 [Russian]
    7. Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советская энциклопедия, 1983. - pp. 21 [Russian]
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru