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Properties of substance:

L-histidine



skc-file

Group of substances:

organic

Physical appearance:

leaflets crystals

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

C6H9N3O2

Molar/atomic mass: 155.15

Melting point (°C):

277

Decomposition temperature (°C):

277

Solubility (g/100 g of solvent):

water: 4.106 (25°C) [Ref.]
water: 8.088 (50°C) [Ref.]
water: 12.28 (70°C) [Ref.]

Dissociation:

pKa (1) = 9.17 (25°C, water)

References:

  1. Yalkowsky S.H., Yan H. Handbook of aqueous solubility data. - CRC Press, 2003. - pp. 282
  2. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 618-619 [Russian]
  3. Справочник химика. - Т. 3. - М.-Л.: Химия, 1965. - pp. 87 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru