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Properties of substance:

2-aminopyridine

Group of substances:

organic

Physical appearance:

white leaflets crystals

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

C5H6N2

Structural formula as text:

C5H4NNH2

Molar/atomic mass: 94.12

Melting point (°C):

56

Boiling point (°C):

204

Solubility (g/100 g of solvent):

acetone: soluble [Ref.]
benzene: soluble [Ref.]
chloroform: sparingly soluble [Ref.]
diethyl ether: soluble [Ref.]
ethanol: soluble [Ref.]

Reactions of synthesis:

  1. Yeild 75-85%. [Ref.1]



Dissociation:

pKa (1) = 28 (20°C, dimethylsulfoxide)

LD50 (mg/kg):

200 (rats, oral)
23 (mice, intravenous)
70 (mice, subcutaneous)
35 (mice, intraperitoneal)

References:

  1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 3-474
  2. Lewis R.J. Sax's Dangerous Properties of Industrial Materials. - 11ed. - Wiley-interscience, 2004. - pp. 216
  3. Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 884-885 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru