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Properties of substance:

2-butynedioic acid diamide

Synonyms:

butynediamide

Group of substances:

organic

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

C4H4N2O2

Structural formula as text:

H2NCO-CC-CONH2

Molar/atomic mass: 112.087

Melting point (°C):

216-218

CAS №: 543-21-5

Reactions:

  1. Yeild 37-40%. [Ref.1]
    H2NCOC≡CCONH2 + 2P2O5 → NCC≡CCN + 4HPO3

LD50 (mg/kg):

89.2 (mice, oral)
11 (mice, intravenous)

References:

  1. Buckingham J. B., Baggaley K. H., Roberts A. D., Szabo L. F. Dictionary of Alkaloids. - 2 ed. - CRC Press, 2010. - pp. 332
  2. Lewis R.J. Sax's Dangerous Properties of Industrial Materials. - 11ed. - Wiley-interscience, 2004. - pp. 45

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru