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Merck

33247

Sigma-Aldrich

Urea

puriss. p.a., ACS reagent, reag. Ph. Eur., ≥99%

Sinónimos:

Carbamida, Carbonildiamida

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About This Item

Fórmula lineal:
NH2CONH2
Número de CAS:
Peso molecular:
60.06
Beilstein:
635724
Número CE:
Número MDL:
Código UNSPSC:
12352100
ID de la sustancia en PubChem:
NACRES:
NA.21

grado

ACS reagent
puriss. p.a.

Nivel de calidad

Agency

reag. Ph. Eur.

Análisis

≥99%
99-101% (calc. on dry substance)

formulario

solid

impurezas

alkalic reac. substances, complies
≤0.0005% heavy metals (as Pb)
≤0.05% ammonium (NH4)
≤0.1% biuret

residuo de ign.

≤0.01% (as SO4)

pérdida

≤1.0% loss on drying, 105°C, 1 h

mp

132-135 °C (lit.)
132-135 °C

solubilidad

H2O: soluble 480 g/L at 20 °C

densidad

1.335 g/mL at 25 °C (lit.)

trazas de anión

chloride (Cl-): ≤5 mg/kg
sulfate (SO42-): ≤10 mg/kg

trazas de catión

Fe: ≤2 mg/kg

idoneidad

in accordance for appearance of solution
in accordance for identity

cadena SMILES

NC(N)=O

InChI

1S/CH4N2O/c2-1(3)4/h(H4,2,3,4)

Clave InChI

XSQUKJJJFZCRTK-UHFFFAOYSA-N

Información sobre el gen

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Descripción general

Urea is a colorless, odorless solid. It has prism-like crystals. It forms insoluble nitrate salts with nitric acid and oxalate salts with oxalic acid. On reaction with alkanes or substituted alkanes, it affords crystal-lattice inclusion compounds.
Urea is the most commonly used slow release nitrogen fertilizer.

Aplicación

Urea has been used in the following studies:
  • Synthesis of SnO2 nanoparticles.
  • Synthesis of urethanes, ureides and semicarbazides.
  • Denaturation of protein isolated from Saccharomyces cerevisiae Y15696 strain.
  • Protein electrophoretic studies.
Used for the denaturation of proteins and as a mild solubilization agent for insoluble or denatured proteins. Useful for renaturing proteins from samples already denatured with 6 M guanidine chloride such as inclusion bodies. May be used with guanidine hydrochloride and dithiothreitrol (DTT) in the refolding of denatured proteins into their native or active form.
Utilizada para la desnaturalización de proteínas y como suave agente de solubilización para las proteínas insolubles o desnaturalizadas. Útil para la renaturalización de proteínas de muestras ya desnaturalizadas con cloruro de guanidina 6 M como los cuerpos de inclusión. Puede utilizarse con clorhidrato de guanidina y ditiotreitol (DTT) en el repliegue de las proteínas desnaturalizadas a su forma nativa o activa.

Código de clase de almacenamiento

11 - Combustible Solids

Clase de riesgo para el agua (WGK)

WGK 1

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable

Equipo de protección personal

Eyeshields, Gloves, type N95 (US)


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The Fertilizer Encyclopedia, 709-709 (2009)
Genna L Andrews et al.
Analytical chemistry, 83(13), 5442-5446 (2011-05-31)
The TripleTOF 5600 System, a hybrid quadrupole time-of-flight mass spectrometer, was evaluated to explore the key figures of merit in generating peptide and protein identifications that included spectral acquisition rates, data quality, proteome coverage, and biological depth. Employing a Saccharomyces
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The American journal of pathology, 164(5), 1807-1815 (2004-04-28)
Exosomes are small membrane vesicles secreted into the extracellular compartment by exocytosis. Tumor exosomes may be involved in the sampling of antigens to antigen presenting cells or as decoys allowing the tumor to escape immune-directed destruction. The proteins present in
Humaira Seema et al.
Nanotechnology, 23(35), 355705-355705 (2012-08-17)
Graphene sheets decorated with SnO(2) nanoparticles (RGO-SnO(2)) were prepared via a redox reaction between graphene oxide (GO) and SnCl(2). Graphene oxide (GO) was reduced to graphene (RGO) and Sn(2+) was oxidized to SnO(2) during the redox reaction, leading to a
L Li et al.
Cell death and differentiation, 22(7), 1081-1093 (2014-12-20)
P53 is critically important in preventing oncogenesis but its role in inflammation in general and in the function of inflammatory macrophages in particular is not clear. Here, we show that bone marrow-derived macrophages exhibit endogenous p53 activity, which is increased

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