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Sigma-Aldrich 33247 Urea puriss. p.a., ACS reagent, reag. Ph. Eur., ≥99% CAS No.: 57-13-6 1 kg
Category
Brand
Stock Code
LB.SA.33247-1KG
Kısa Bilgi
Synonym(s): Carbamide, Carbonyldiamide Linear Formula: NH2CONH2 CAS Number: 57-13-6 Molecular Weight: 60.06 Beilstein: 635724 EC Number: 200-315-5 MDL number: MFCD00008022 UNSPSC Code: 12352100 PubChem Substance ID: 57648752 NACRES: NA.21
| Sigma-Aldrich 33247 Urea puriss. p.a., ACS reagent, reag. Ph. Eur., ≥99% CAS No.: 57-13-6 1 kg |
| Synonym(s): Carbamide, Carbonyldiamide Linear Formula: NH2CONH2 CAS Number: 57-13-6 Molecular Weight: 60.06 Beilstein: 635724 EC Number: 200-315-5 MDL number: MFCD00008022 UNSPSC Code: 12352100 PubChem Substance ID: 57648752 NACRES: NA.21 |
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PROPERTIES
grade ACS reagent puriss. p.a.
Quality Level 200 Agency reag. Ph. Eur. Assay ≥99% 99-101% (calc. on dry substance) form solid impurities alkalic reac. substances, complies ≤0.0005% heavy metals (as Pb) ≤0.05% ammonium (NH4) ≤0.1% biuret ign. residue ≤0.01% (as SO4) loss ≤1.0% loss on drying, 105°C, 1 h mp 132-135 °C (lit.) 132-135 °C solubility H2O: soluble 480 g/L at 20 °C density 1.335 g/mL at 25 °C (lit.) anion traces chloride (Cl-): ≤5 mg/kg sulfate (SO42-): ≤10 mg/kg cation traces Fe: ≤2 mg/kg suitability in accordance for appearance of solution in accordance for identity functional group amine SMILES string NC(N)=O InChI 1S/CH4N2O/c2-1(3)4/h(H4,2,3,4) InChI key XSQUKJJJFZCRTK-UHFFFAOYSA-N Gene Information human ... CA1(759) , CA2(760) rat ... Ppm1a(24666) DESCRIPTION General description 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.[1] Urea is the most commonly used slow release nitrogen fertilizer.[2] Application Urea has been used in the following studies: Synthesis of SnO2 nanoparticles.[3] Synthesis of urethanes, ureides and semicarbazides.[1] Denaturation of protein isolated from Saccharomyces cerevisiae Y15696 strain.[4] Protein electrophoretic studies.[5] 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. |
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