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Properties of substance:

3,5-diiodo-L-tyrosine

Group of substances:

organic

Physical appearance:

white needles crystals

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

C9H9I2NO3

Structural formula as text:

I2(HO)C6H2CH2CH(NH2)COOH

Molar/atomic mass: 432.98

Melting point (°C):

200-213

Decomposition temperature (°C):

213

Solubility (g/100 g of solvent):

benzene: practically insoluble [Ref.]
chloroform: practically insoluble [Ref.]
diethyl ether: practically insoluble [Ref.]
ethanol: difficulty soluble [Ref.]
water: 0.06 (25°C) [Ref.]

Dissociation:

pKa (1) = 2.12 (25°C, water)

References:

  1. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 633
  2. Yalkowsky S.H., Yan H. Handbook of aqueous solubility data. - CRC Press, 2003. - pp. 560
  3. Беликов В.Г. Учебное пособие по фармацевтической химии. - М.: Медицина, 1979. - pp. 427 [Russian]
  4. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 648-649 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru