Substance
ID:183493
Names and Identifiers
IUPAC name
urea
IUPAC Traditional name
urea
Synonyms
Urea碳酰胺尿素碳酰二胺
Registration numbers
Beilstein Number
CAS Number
MDL Number
EC Number
PubChem SID
Properties
Product Information
Cation Traces
NH4+: ≤0.05%
Zn: ≤0.0005%
Pb: ≤0.001%
Cu: ≤0.0005%
Ca: ≤0.0005%
Al: ≤0.0005%
Fe: ≤0.0005%
K: ≤0.005%
Mg: ≤0.0005%
Na: ≤0.005%
Impurities
≤0.1% Insoluble matter
≤0.005% Phosphorus (P)
Antion Traces
sulfate (SO42-): ≤0.05%
chloride (Cl-): ≤0.05%
Ignition Residue
≤0.1%
Physical Property
Solubility
H2O: soluble5 M at 20 °C, clear, colorless
pH
7.5-9.5 (20 °C, 5 M in H2O)
Density
1.335 g/mL at 25 °C(lit.)
Absorption Wavelength
A5M/260 nm ≤0.06
A5M/280 nm ≤0.06
Melting Point
132-135 °C(lit.)
Pharmacology Properties
Gene Information
human ... CA1(759), CA2(760)rat ... Ppm1a(24666)
Safety Information
German water hazard class
1
Personal Protective Equipment
Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
RTECS
YR6250000
Molecule Details
Application
用于蛋白质变性以及作为不溶性或变性蛋白的温和增溶剂。可用于从已由 6M 盐酸胍变性的样品(如包涵体)复性蛋白质。可与盐酸胍和二硫苏糖醇 (DTT) 一起用于复性变性蛋白以恢复其天然或活性形式。
用于蛋白质变性以及作为不溶性或变性蛋白的温和增溶剂。可用于从已由 6M 盐酸胍变性的样品(如包涵体)复性蛋白质。可与盐酸胍和二硫苏糖醇 (DTT) 一起用于复性变性蛋白以恢复其天然或活性形式。
Molecular Spectra
No Data Available
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References
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