Urea

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Urea
Structural formula of urea
Ball-and-stick model of the urea molecule
Space-filling model of the urea molecule
Sample of Urea.jpg
Names
IUPAC name
Amino methanamide
Ither names
Carbamide, carbonyl diamide, carbonyldiamine, diaminomethanal, diaminomethanone
Identifiers
Jmol-3D images Image
ChEBI CHEBI:16199 YesY
ChEMBL ChEMBL985 YesY
ChemSpider 1143 YesY
DrugBank DB03904 N
ECHA InfoCard 100.000.286
E nummer E927b (glazin agents, ...)
KEGG D00023 YesY
RTECS nummer YR6250000
UNII 8W8T17847W YesY
Properties
CH4N2O
Molar mass 60.06 g·mol−1
Appearance White solid
Density 1.32 g/cm3
Meltin pynt 133 tae 135 °C (271 tae 275 °F; 406 tae 408 K)
1079 g/L (20 °C)
1670 g/L (40 °C)
2510 g/L (60 °C)
4000 g/L (80 °C)
Solubility 500 g/L glycerol,[1] 50g/L ethanol
Basicity (pKb) pKBH+ = 0.18[2]
Structur
Dipole moment 4.56 D
Hazards
Safety data sheet JT Baker
Flash pynt Non-flammable
Lethal dose or concentration (LD, LC):
8500 mg/kg (oral, rat)
Relatit compoonds
Relatit ureas
Thiourea
Hydroxycarbamide
Relatit compoonds
Carbamide peroxide
Urea phosphate
Except whaur itherwise notit, data are gien for materials in thair staundart state (at 25 °C [77 °F], 100 kPa).
YesY verify (whit is YesYN ?)
Infobox references

Urea or carbamide is an organic compoond wi the chemical formula CO(NH2)2. The molecule haes twa —NH2 groups jyned bi a carbonyl (C=O) functional group. Urea serves an important role in the metabolism o nitrogen-conteenin compoonds bi ainimals, an is the main nitrogen-containin substance in the urine o mammals.

References[eedit | eedit soorce]

  1. "Solubility of Various Compounds in Glycerine" (PDF). msdssearch.dow.com. 
  2. Williams, R. (2001-10-24). "pKa Data" (PDF). Retrieved 2009-11-27.