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Merck

56180

Urea

analytical standard

Synonym(s):

Carbamide, Carbonyldiamide

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About This Item

Linear Formula:
NH2CONH2
CAS Number:
57-13-6
Molecular Weight:
60.06
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
329758180
EC Number:
200-315-5
Beilstein/REAXYS Number:
635724
MDL number:
MFCD00008022

Key Documents

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grade

analytical standard

Quality Level

100

assay

≥98.5% (HPLC)

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

impurities

≤0.5% water

mp

132-135 °C (lit.)

solubility

H2O: soluble 480 g/L at 20 °C (completely)

density

1.335 g/mL at 25 °C (lit.)

application(s)

cleaning products
cosmetics
food and beverages
forensics and toxicology
personal care
veterinary

format

neat

SMILES string

NC(N)=O

InChI

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

InChI key

XSQUKJJJFZCRTK-UHFFFAOYSA-N

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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

Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.
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.

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
BCCP4673
BCCN4526
BCCM2268
BCCL2223
BCCK0298

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