urea

CAS No. 57-13-6

Formula: CH4N2O
Basic Info

Urea or carbamide (from the Greek word Ουρία) is an organic compound with the chemical formula CO(NH2)2. The molecule has two —NH2 groups joined by a carbonyl (C=O) functional group.
Urea serves an important role in the metabolism of nitrogen-containing compounds by animals, and is the main nitrogen-containing substance in the urine of mammals. It is a colorless, odorless solid, highly soluble in water, and practically non-toxic (LD50 is 15 g/kg for rats). Dissolved in water, it is neither acidic nor alkaline. The body uses it in many processes, most notably nitrogen excretion. The liver forms it by combining two ammonia molecules (NH3) with a carbon dioxide (CO2) molecule in the urea cycle. Urea is widely used in fertilizers as a source of nitrogen and is an important raw material for the chemical industry.
Friedrich Wöhler's discovery in 1828 that urea can be produced from inorganic starting materials was an important conceptual milestone in chemistry. It showed for the first time that a substance previously known only as a byproduct of life could be synthesized in the laboratory without biological starting materials, contradicting the widely held doctrine of vitalism.
It is on the WHO Model List of Essential Medicines, the most important medications needed in a basic health system.

Formula
CH4N2O
Molecular Weight
60.0553
Exact Mass
60.0324
LogP
0.4244
PSA
69.11
Synonyms

diaminomethanal

Urea

UREUM

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Properties
Density
1.335 g/mL at 25 °C(lit.)
Boiling Point
196.6ºC at 760mmHg
Melting Point
132-135 °C(lit.)
Flash Point
72.7ºC
Refractive Index
n20/D 1.40
Safety Info
WGK Germany
1
HS Code
3102100001
Spectrum
NMR Spectrum 1H NMR : parameter in acetone+DMSO+tetramethylurea
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IR Spectrum IR : KBr disc
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Mass Spectrum Mass spectrum (electron ionization)
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Raman Spectrum Raman : 4880 A,200 M,powder
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UV Spectrum UV/Visible spectrum
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