Biurea

Biurea
Names
	Preferred IUPAC name Hydrazine-1,2-dicarboxamide[citation needed]
	Systematic IUPAC name (Carbamoylamino)urea
	Other names Bicarbamamide[citation needed]; Bicarbamimidic acid[citation needed]; Biscarbamoylhydrazine[citation needed]; Carbamoylsemicarbazide[citation needed]; Hydrazinedicarboxamide[citation needed]; Ureidourea[citation needed];
Identifiers
CAS Number	110-21-4 ;
3D model (JSmol)	Interactive image;
ChemSpider	7748 ;
ECHA InfoCard	100.003.408
EC Number	203-747-2;
PubChem CID	8039;
UNII	POJ4UOY01H ;
CompTox Dashboard (EPA)	DTXSID6024628 ;
	InChI InChI=1S/C2H6N4O2/c3-1(7)5-6-2(4)8/h(H3,3,5,7)(H3,4,6,8) Key: ULUZGMIUTMRARO-UHFFFAOYSA-N ;
	SMILES NC(=O)NNC(N)=O;
Properties
Chemical formula	C2H6N4O2
Molar mass	118.096 g·mol−1
Appearance	White crystals
Thermochemistry
Std enthalpy of; formation (ΔfH⦵298)	−499.9–−497.5 kJ mol−1
Std enthalpy of; combustion (ΔcH⦵298)	−1.1471–−1.1447 MJ mol−1
Related compounds
Related compounds	1,2-Dimethylhydrazine; Daminozide;
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Biurea

Chemical compound

Biurea is a chemical compound with the molecular formula C₂H₆N₄O₂. It is produced in food products containing azodicarbonamide, a common ingredient in bread flour, when they are cooked.^[2] Upon exposure, biurea is rapidly eliminated from the body through excretion.^[3]

Quick Facts Names, Identifiers ...

Biurea is produced from urea and hydrazine by transamidation. Its major use is as a chemical intermediate in the production of azodicarbonamide, a common blowing agent.^[4]

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[1] [1]
"Biurea - Compound Summary". PubChem Compound. USA: National Center for Biotechnology Information. 26 March 2005. Identification. Retrieved 27 June 2012.

[2] [2]
Azodicarbonamide, FAO Nutrition Meetings, Report Series No. 40A,B,C

[3] [3]
Mewhinney, JA; Ayres, PH; Bechtold, WE; Dutcher, JS; Cheng, YS; Bond, JA; Medinsky, MA; Henderson, RF; Birnbaum, LS (1987). "The fate of inhaled azodicarbonamide in rats" (PDF). Fundamental and Applied Toxicology. 8 (3): 372–81. doi:10.1016/0272-0590(87)90086-8. PMID 3569707.

[KirkOthmer-4] [4]
Eugene F. Rothgery (2004). "Hydrazine and Its Derivatives". Kirk-Othmer Encyclopedia of Chemical Technology. John Wiley and Sons. doi:10.1002/0471238961.0825041819030809.a01.pub2.

[2]

[3]

[1]

[4]

Biurea

Biurea

References

External links

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Names

Preferred IUPAC name Hydrazine-1,2-dicarboxamide^{[citation needed]}
Systematic IUPAC name (Carbamoylamino)urea^[1]
Other names Bicarbamamide^{[citation needed]} Bicarbamimidic acid^{[citation needed]} Biscarbamoylhydrazine^{[citation needed]} Carbamoylsemicarbazide^{[citation needed]} Hydrazinedicarboxamide^{[citation needed]} Ureidourea^{[citation needed]}
Identifiers
CAS Number	110-21-4^Y
3D model (JSmol)	Interactive image
ChemSpider	7748^Y
ECHA InfoCard	100.003.408
EC Number	203-747-2
PubChem CID	8039
UNII	POJ4UOY01H^Y
CompTox Dashboard (EPA)	DTXSID6024628
InChI InChI=1S/C2H6N4O2/c3-1(7)5-6-2(4)8/h(H3,3,5,7)(H3,4,6,8)^Y Key: ULUZGMIUTMRARO-UHFFFAOYSA-N^Y
SMILES NC(=O)NNC(N)=O
Properties
Chemical formula	C₂H₆N₄O₂
Molar mass	118.096 g·mol⁻¹
Appearance	White crystals
Thermochemistry
Std enthalpy of formation (Δ_fH^⦵₂₉₈)	−499.9–−497.5 kJ mol⁻¹
Std enthalpy of combustion (Δ_cH^⦵₂₉₈)	−1.1471–−1.1447 MJ mol⁻¹
Related compounds
Related compounds	1,2-Dimethylhydrazine Daminozide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references