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57-13-6 - Urea, 98+% - Carbamide - A12360 - Alfa Aesar

A12360 Urea, 98+%

CAS Number
57-13-6
Synonyms
Carbamide

Size Price ($) Quantity Availability
500g 18.95
2500g 32.96
10000g 92.08
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Urea, 98+%

MDL
MFCD00008022
EINECS
200-315-5

Chemical Properties

Formula
NH2CONH2
Formula Weight
60.06
Melting point
130-135°
Density
1.335
Solubility
Soluble in water, alcohol, methanol, glycerol, benzene and concentrated hydrochloric acid. Practically insoluble in chloroform and ether.

Applications

Used as a protein denaturantUrea is a raw fabric for the manufacture of organic resins and is used as protein denaturant sealant and in agriculture, dyes, fuels, functional fluids, intermediates, paint additives and coating additives. Urea is used as a nitrogen-release fertilizer, on-corroding alternative to rock salt for road de-icing, browning agent in factory-produced pretzels, cloud seeding agent, a deep eutectic solvent and type of ionic liquid.

Notes

Stable at room temperature. Incompatible with strong oxidizing agents.

Literature References

Widely used in diazotization reactions for the destruction of excess HNO2.

For the one-pot conversion of carboxylic acids to nitriles, by heating with urea in the presence of 1.5-2.0 moles of sulfamic acid, see: Chimia, 25, 94 (1971).

For a procedure for conversion of carboxylic acids to primary amides by heating with urea, see: Org. Synth. Coll., 3, 768 (1955); 4, 513 (1963).

Reacts with alcohols on prolonged heating to give alkyl carbamates; see, e.g.: Org. Synth. Coll., 1, 140 (1941).

Zhang, Y.; Han, C.; Nadagouda, M. N.; Dionysiou, D. D. The fabrication of innovative single crystal N, F-codoped titanium dioxide nanowires with enhanced photocatalytic activity for degradation of atrazine. Appl. Catal. B 2015, 168-169, 550-558.

Amendola, V.; Fabbrizzi, L.; Mosca, L. Anion recognition by hydrogen bonding: urea-based receptors. Chem. Soc. Rev. 2010, 39, 3889-3915.

Other References

Merck
14,9867
Beilstein
635724
Harmonized Tariff Code
3102.10
TSCA
Yes
RTECS
YR6250000

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