51461
Urea
purum p.a., crystallized, ≥99.0% (N)
Synonym(s):
Carbamide, Carbonyldiamide
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About This Item
Linear Formula:
NH2CONH2
CAS Number:
Molecular Weight:
60.06
EC Number:
200-315-5
UNSPSC Code:
12352100
MDL number:
Beilstein/REAXYS Number:
635724
grade
purum p.a.
assay
≥99.0% (N)
quality
crystallized
impurities
≤0.1% biuret
ign. residue
≤0.1% (as SO4)
mp
132-135 °C
density
1.335 g/mL at 25 °C (lit.)
anion traces
chloride (Cl-): ≤10 mg/kg, sulfate (SO42-): ≤30 mg/kg
cation traces
K: ≤300 mg/kg
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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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.
Storage Class
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
Regulatory Information
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