N,N'-Di-n-butylthiourea
Chemical compound
From Wikipedia, the free encyclopedia
N,Nâ²-Di-n-butylthiourea is an organic compound with the formula S=C(N(H)Bu)2 (Bu = butyl). A symmetrical N,Nâ²-dialkyl thiourea derivative, it is a white solid. Like other thiourea derivatives, it features a planar core. The C=S bond distance is 1.712(2) Ã , while CâN distances are in range of 1.33 to 1.46 Ã .[1] Molecules of this compound exhibit syn-anti conformation.[2]
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| Names | |
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| Preferred IUPAC name
N,Nâ²-Dibutylthiourea | |
| Other names
1,3-Dibutylthiourea 1,3-Di-n-butylthiourea Bis(butylamino)methane-1-thione | |
| Identifiers | |
3D model (JSmol) |
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| ChemSpider | |
| ECHA InfoCard | 100.003.341 |
PubChem CID |
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| UNII | |
CompTox Dashboard (EPA) |
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| Properties | |
| C9H20N2S | |
| Molar mass | 188.33 g·molâ1 |
| Appearance | White to yellowish crystals |
| Density | 1.089 g cmâ3 (diffraction) |
| Melting point | 64 to 67 °C (147 to 153 °F; 337 to 340 K) |
| Structure | |
| monoclinic | |
| P21/c, No. 14 | |
a = 12.6395(6) Ã
, b = 10.0836(6) Ã
, c = 9.0128(5) Ã
α = 90°, β = 90.476(5)°, γ = 90° | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Synthesis
N,Nâ²-Di-n-butylthiourea can be obtained in these routes:
- Reaction of n-butylamine with carbon disulfide in the presence of alumina.[3]
- Reaction of n-butylamine and n-butylisothiocyanate.[4]