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Properties of substance:

iminodiacetic acid

Group of substances:

organic

Physical appearance:

white crystals

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

C4H7NO4

Structural formula as text:

HN(CH2COOH)2

Molar/atomic mass: 133.103

Melting point (°C):

247.5

CAS №: 142-73-4

Solubility (g/100 g of solvent):

diethyl ether: insoluble [Ref.]
ethanol: insoluble [Ref.]
water: 2.43 (20°C) [Ref.]

Dissociation:

pKBH+ (1) = 1.82 (25°C, water)
pKa (1) = 2.61 (25°C, water)
pKa (1) = 9.34 (25°C, water)

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

-932.6 (s)

References:

  1. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-26
  2. Dictionary of organic compounds. - Vol. 2, Eccaine - Myrtillin chloride. - London, 1946. - pp. 352
  3. Дятлова Н.М., Темкина В.Я., Попов К.И. Комплексоны и комплексонаты металлов. - М.: Химия, 1988. - pp. 105-106 [Russian]
  4. Успехи химии. - 1965. - Т.34, №7. - pp. 1160 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru