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Properties of substance:

L-serine



skc-file

Group of substances:

organic

Physical appearance:

hexagonal crystals

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

C3H7NO3

Structural formula as text:

HOCH2CH(NH2)COOH

Molar/atomic mass: 105.093

Melting point (°C):

228

Decomposition temperature (°C):

228

Solubility (g/100 g of solvent):

acetic acid: insoluble [Ref.]
benzene: insoluble [Ref.]
diethyl ether: insoluble [Ref.]
ethanol: insoluble [Ref.]
water: 25 (20°C) [Ref.]

Vapour pressure (Torr):

0.0001 (150°C)

Dissociation:

pKBH+ (1) = 2.21 (25°C, water)
pKa (1) = 9.15 (25°C, water)
pKa (2) = 13.6 (25°C, water)

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

-732.7 (s)

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-24
  2. Yalkowsky S.H., Yan H., Jain P. Handbook of aqueous solubility data. – 2nd ed. - CRC Press, 2010. - pp. 73
  3. Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 178 [Russian]
  4. Тюкавкина Н.А., Бауков Ю.И. Биоорганическая химия. - М.: Медицина, 1985. - pp. 299 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru