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Preferred IUPAC name
Hydrazine-1,2-dicarboxamide[citation needed]
Systematic IUPAC name
Other names
3D model (JSmol)
ECHA InfoCard 100.003.408
EC Number 203-747-2
Molar mass 118.10 g·mol−1
Appearance White crystals
−499.9–−497.5 kJ mol−1
−1.1471–−1.1447 MJ mol−1
Related compounds
Related compounds
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

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]

Biurea is produced from urea and hydrazine.[4] Its major use is as a chemical intermediate in the production of azodicarbonamide.[4]


  1. ^ "Biurea - Compound Summary". PubChem Compound. USA: National Center for Biotechnology Information. 26 March 2005. Identification. Retrieved 27 June 2012. 
  2. ^ Azodicarbonamide, FAO Nutrition Meetings, Report Series No. 40A,B,C
  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". Fundamental and Applied Toxicology. 8 (3): 372–81. PMID 3569707. doi:10.1016/0272-0590(87)90086-8. 
  4. ^ a b Kirk-Othmer Encyclopedia of Chemical Technology. 4th ed. Volumes 1: New York, NY. John Wiley and Sons, 1991-Present., p. V13 590

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