Ethylene thiourea

Ethylene thiourea

Names
IUPAC name Imidazolidine-2-thione
Other names 1,3-Ethylene-2-thiourea, N,N-Ethylenethiourea
Identifiers
CAS Number	96-45-7
ChemSpider	2005851
Jmol interactive 3D	Image
PubChem	2723650
InChI InChI=1S/C3H6N2S/c6-3-4-1-2-5-3/h1-2H2,(H2,4,5,6) Key: PDQAZBWRQCGBEV-UHFFFAOYSA-N InChI=1/C3H6N2S/c6-3-4-1-2-5-3/h1-2H2,(H2,4,5,6) Key: PDQAZBWRQCGBEV-UHFFFAOYAQ
SMILES C1CNC(=S)N1
Properties
Chemical formula	C3H6N2S
Molar mass	102.16 g·mol^−1
Appearance	White to pale-green crystalline solid
Odor	Faint, amine-like
Melting point	203 °C (397 °F; 476 K)
Boiling point	347.18 °C (656.92 °F; 620.33 K)
Solubility in water	2% (30 °C)[1]
Vapor pressure	16 mmHg (20 °C)[1]
Hazards
Main hazards	combustible[1]
Flash point	252.2 °C (486.0 °F; 525.3 K)
Lethal dose or concentration (LD, LC):
LD50 (Median dose)	1832 mg/kg (oral, rat)[2]
US health exposure limits (NIOSH):
PEL (Permissible)	none[1]
REL (Recommended)	Ca Use encapsulated form.[1]
IDLH (Immediate danger	Ca [N.D.][1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Ethylene thiourea is an organosulfur compound. It is an example of an N,N-disubstituted thiourea.

This compound is synthesized by treating ethylenediamine with carbon disulfide.^[3]

References

1. "NIOSH Pocket Guide to Chemical Hazards #0276". National Institute for Occupational Safety and Health (NIOSH).
2. http://chem.sis.nlm.nih.gov/chemidplus/rn/96-45-7
3. C. F. H. Allen; C. O. Edens; James VanAllan. "Ethylene Thiourea". Org. Synth.; Coll. Vol. 3, p. 394