15604
Urea
puriss., meets analytical specification of Ph. Eur., BP, USP, 99.0-100.5%, 99.0-101.0% (calc. on dry substance)
Sinónimos:
Carbamida, Carbonildiamida
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grade
puriss.
Quality Level
assay
99.0-100.5%, 99.0-101.0% (calc. on dry substance)
form
solid
quality
meets analytical specification of Ph. Eur., BP, USP
impurities
alkalic reac. substances, complies, ≤0.001% heavy metals (as Pb), ≤0.04% insoluble in ethanol, ≤0.05% ammonium (NH4), ≤0.1% biuret(carbamylurea)
ign. residue
≤0.1% (as SO4)
loss
≤1.0% loss on drying, 105 °C, 1 h
mp
132-135 °C
solubility
H2O: soluble 480 g/L at 20 °C
density
1.335 g/mL at 25 °C (lit.)
anion traces
chloride (Cl-): ≤10 mg/kg, sulfate (SO42-): ≤50 mg/kg
cation traces
Fe: ≤0.5 mg/kg
suitability
in accordance for appearance of solution, in accordance for identity
functional group
amine
SMILES string
NC(N)=O
InChI
1S/CH4N2O/c2-1(3)4/h(H4,2,3,4)
InChI key
XSQUKJJJFZCRTK-UHFFFAOYSA-N
General description
Urea can be prepared from ammonia and carbon-dioxide, via Haber-Bosch process. It can also be used to prepare urea-formaldehyde resins, via condensation reaction.
Application
- Synthesis of SnO2 nanoparticles.
- Synthesis of urethanes, ureides and semicarbazides.
- Denaturation of protein isolated from Saccharomyces cerevisiae Y15696 strain
- Protein electrophoretic studies.
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Clase de almacenamiento
11 - Combustible Solids
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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