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  • U6504
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U6504

Sigma-Aldrich

Urea

suitable for electrophoresis

Synonym(s):
Carbamide, Carbonyldiamide
Linear Formula:
NH2CONH2
CAS Number:
Molecular Weight:
60.06
Beilstein:
635724
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NB.22

assay

≥98%

Quality Level

form

powder or crystals

technique(s)

electrophoresis: suitable

impurities

≤0.005% Ammonia

mp

132-135 °C (lit.)

solubility

H2O: 100 mg/mL

density

1.335 g/mL at 25 °C (lit.)

cation traces

Fe: ≤5 ppm
Pb: ≤5 ppm

absorption

≤0.06 at 260 at 5 M
≤0.06 at 280 at 5 M

SMILES string

NC(N)=O

InChI

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

InChI key

XSQUKJJJFZCRTK-UHFFFAOYSA-N

Gene Information

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Packaging

100, 500 g in poly bottle
1 kg in poly bottle

Application

A chaotropic agent used to solubilize and denature proteins for denaturing isoelectric focusing and two-dimensional electrophoresis.
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 Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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