Urea
SIAL/56180 - analytical standard
Synonym: Carbamide; Carbonyldiamide
CAS Number: 57-13-6
Empirical Formula (Hill Notation): CH4N2O
Molecular Weight: 60.06
EC Number: 200-315-5
MDL Number: MFCD00008022
Linear Formula: NH2CONH2
Product Type: Chemical
| application(s) | cleaning products cosmetics food and beverages forensics and toxicology personal care veterinary |
| assay | ≥98.5% (HPLC) |
| density | 1.335 g/mL at 25 °C (lit.) |
| format | neat |
| grade | analytical standard |
| impurities | ≤0.5% water |
| InChI | 1S/CH4N2O/c2-1(3)4/h(H4,2 |
| InChI key | XSQUKJJJFZCRTK-UHFFFAOYSA |
| mp | 132-135 °C (lit.) |
| Quality Level | 100  |
| shelf life | limited shelf life, expiry date on the label |
| SMILES string | NC(N)=O |
| solubility | H2O: soluble 480 g/L at 20 °C (completely) |
| technique(s) | gas chromatography (GC): suitable |
| HPLC: suitable |
| Application: | Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support. |
| Application: | 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. |
| General description: | This substance is listed on the positive list of the EU regulation 10/2011 for plastics intended to come into contact with food. Find all available reference materials for compounds listed in 10/2011 here |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥98.5% (HPLC) |
| mp | 132-135 °C (lit.) |
| Density | 1.335 g/mL at 25 °C (lit.) |
| UNSPSC | 41116107 |