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
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
DrugBank
ECHA InfoCard 100.000.286
E nummer E927b (glazin agents, ...)
KEGG
RTECS nummer YR6250000
UNII
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
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.