Chemical Properties of Carbonothioic dihydrazide (CAS 2231-57-4)

Carbonothioic dihydrazide

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InChI Key
Molecular Weight1
Other Names
  • 1,3-Diamino-2-thiourea
  • 1,3-Diaminothiourea
  • Carbohydrazide, thio-
  • Hydrazinecarbohydrazonothioic acid
  • NSC 689
  • TCH
  • Thiocarbazide
  • Thiocarbohydrazide
  • Thiocarbonic dihydrazide
  • Thiocarbonohydrazide
  • USAF EK-7372

Physical Properties

Property Value Unit Source
Δcsolid -1961.05 ± 0.28 kJ/mol NIST
Δf 386.28 kJ/mol Joback Calculated Property
Δfgas 260.20 ± 3.00 kJ/mol NIST
Δfsolid 108.10 ± 3.50 kJ/mol NIST
Δfus 23.54 kJ/mol Joback Calculated Property
Δsub 152.10 ± 3.00 kJ/mol NIST
Δsub 152.10 ± 3.00 kJ/mol NIST
Δvap 58.70 kJ/mol Joback Calculated Property
logPoct/wat -1.80 Crippen Calculated Property
Pc 8541.72 kPa Joback Calculated Property
Tboil 537.72 K Joback Calculated Property
Tc 775.49 K Joback Calculated Property
Tfus 407.14 K Joback Calculated Property
Vc 0.26 m3/kg-mol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas 164.52 J/mol×K 537.72 Joback Calculated Property
Cp,solid 125.30 J/mol×K 298.15 NIST
ΔsubH 152.10 kJ/mol 298.15 NIST
ΔsubS 510.10 J/mol×K 298.15 NIST

Molecular Descriptors

Joback and Reid Groups
-S- 1
=C< 1
-NH2 2
>NH 2

Similar Compounds

Hydrazinecarbothioamide. Thiourea. Carbohydrazide. 2-(1-Methylethylidene)hydrazinecarbothioamide. Thiourea, methyl-. Aminoguanidine. Hydrazinecarboxamide-. Semicarbazide hydrochloride. Thiourea, N,N'-dimethyl-. N,N-Dimethylthiourea. Hydrazine, methyl-. Guanidine, amino-, nitrate, hydrate. Hydrazine, 1,2-dimethyl-. Aminoguanidine bicarbonate. Semicarbazide, 4-methyl-.

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