Biurea

Biurea
Names
Preferred IUPAC name
Hydrazine-1,2-dicarboxamide
Systematic IUPAC name
(Carbamoylamino)urea
Other names
  • Bicarbamamide
  • Bicarbamimidic acid
  • Biscarbamoylhydrazine
  • Carbamoylsemicarbazide
  • Hydrazinedicarboxamide
  • Ureidourea
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.003.408
EC Number
  • 203-747-2
UNII
  • 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
  • NC(=O)NNC(N)=O
Properties
C2H6N4O2
Molar mass 118.096 g·mol−1
Appearance White crystals
Thermochemistry
−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. Upon exposure, biurea is rapidly eliminated from the body through excretion.

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.

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