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Properties of substance:

L-phenylalanine

Synonyms:

(S)-α-aminobenzenepropanoic acid

Group of substances:

organic

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

C9H11NO2

Structural formula as text:

C6H5CH2CH(NH2)COOH

Molar/atomic mass: 165.1891

Melting point (°C):

283

Decomposition temperature (°C):

283

Solubility (g/100 g of solvent):

diethyl ether: insoluble [Ref.]
ethanol: sparingly soluble (78°C) [Ref.]
water: soluble [Ref.]

Numerical data:

Bitter taste threshold concentrations (mM): 3.21

    Standard molar enthalpy (heat) of formation ΔfH (298 K, kJ/mol)

    -466,9 (s) [Ref.]
    -312,9 (g) [Ref.]

    Standard molar entropy S (298 K, J/(mol·K))

    213,6 (s) [Ref.]

    Molar heat capacity at constant pressure Cp (298 K, J/(mol·K))

    203 (s) [Ref.]

    References:

    1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 3-448
    2. Свойства органических соединений: Справочник. - Под ред. Потехина А.А. - Л.: Химия, 1984. - pp. 310-311 [Russian]
    3. Химическая энциклопедия. - Т. 5. - М.: Советская энциклопедия, 1999. - pp. 65 [Russian]
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      © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru