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Properties of substance:

hydrazinecarbothioamide

Synonyms:

thiosemicarbazide

Group of substances:

organic

Physical appearance:

needles crystals

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

CH5N3S

Structural formula as text:

H2NCSNHNH2

Molar/atomic mass: 91.135

Melting point (°C):

183

CAS №: 79-19-6

Solubility (g/100 g of solvent):

ethanol: soluble [Ref.]
water: 25.5 (80°C) [Ref.]

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

24.7 (s)

LD50 (mg/kg):

23 (white rats, oral)
20 (cats, oral)
1 (mice, intraperitoneal)
10 (dogs, oral)

References:

  1. Armarego W. L. F. Purification of Laboratory Chemicals. - 7ed. - 2013. - pp. 209
  2. CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 5-20
  3. Lewis R.J. Sax's Dangerous Properties of Industrial Materials. - 12ed., Vol. 1-5. - Wiley, 2012. - pp. 4261
  4. Вредные вещества в промышленности: Справочник для химиков, инженеров и врачей. - 7-е изд., Т.2. - Л.: Химия, 1976. - pp. 60-61 [Russian]
  5. Свойства органических соединений: Справочник. - Под ред. Потехина А.А. - Л.: Химия, 1984. - pp. 348-349 [Russian]

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    © Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru