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Properties of substance:

cyanoacetic acid

Group of substances:

organic

Physical appearance:

colorless crystals

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

C3H3NO2

Structural formula as text:

NCCH2COOH

Molar/atomic mass: 85.06

Melting point (°C):

70.9-71

Decomposition temperature (°C):

160

Solubility (g/100 g of solvent):

acetic acid: sparingly soluble [Ref.]
chloroform: sparingly soluble [Ref.]
diethyl ether: soluble [Ref.]
ethanol: soluble [Ref.]
water: soluble [Ref.]

Hygroscopic:

yes

Dissociation:

pKa (1) = 2.47 (25°C, water)

LD50 (mg/kg):

1500 (rats, oral)
200 (mice, intraperitoneal)

References:

  1. CRC Handbook of Chemistry and Physics. - 95ed. - CRC Press, 2014. - pp. 3-130
  2. Dictionary of organic compounds. - vol.1, Abietic acid - Dypnone. - London, 1946. - pp. 585-586
  3. Lewis R.J. Sax's Dangerous Properties of Industrial Materials. - 12ed., Vol. 1-5. - Wiley, 2012. - pp. 1243
  4. Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 164
  5. Вредные вещества в промышленности: Справочник для химиков, инженеров и врачей. - 7-е изд., Т.2. - Л.: Химия, 1976. - pp. 111 [Russian]
  6. Свойства органических соединений: Справочник. - Под ред. Потехина А.А. - Л.: Химия, 1984. - pp. 222-223 [Russian]
  7. Химическая энциклопедия. - Т. 5. - М.: Советская энциклопедия, 1999. - pp. 358 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru