Thiourea

Thiourea (/ˌθaɪ.oʊjʊəˈriː.ə, -ˈjʊəri-/) is an organosulfur compound with the formula SC(NH2)2 and the structure H2N−C(=S)−NH2. It is structurally similar to urea (H2N−C(=O)−NH2), except that the oxygen atom is replaced by a sulfur atom (as implied by the thio- prefix); however, the properties of urea and thiourea differ significantly. Thiourea is a reagent in organic synthesis. Thioureas are a broad class of compounds with the general structure R2N−C(=S)−NR2.

See also: Thioureas
Thiourea

  Carbon, C
  Hydrogen, H
  Nitrogen, N
  Sulfur, S
Names
Preferred IUPAC name
Thiourea
Other names
Thiocarbamide
Identifiers
3D model (JSmol)
605327
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.000.494
1604
KEGG
RTECS number
  • YU2800000
UNII
UN number 2811
  • InChI=1S/CH4N2S/c2-1(3)4/h(H4,2,3,4) Y
    Key: UMGDCJDMYOKAJW-UHFFFAOYSA-N Y
  • InChI=1/CH4N2S/c2-1(3)4/h(H4,2,3,4)
    Key: UMGDCJDMYOKAJW-UHFFFAOYAJ
  • C(=S)(N)N
Properties
SC(NH2)2
Molar mass 76.12 g·mol−1
Appearance white solid
Density 1.405 g/mL
Melting point 182 °C (360 °F; 455 K)
142 g/L (25 °C)
−4.24×10−5 cm3/mol
Hazards
GHS labelling:
Warning
H302, H351, H361, H411
P201, P202, P264, P270, P273, P281, P301+P312, P308+P313, P330, P391, P405, P501
NFPA 704 (fire diamond)
3
1
0
Related compounds
Related compounds
 Urea
Selenourea
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Y verify (what is YN ?)
Infobox references
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