Biurea

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title: "Biurea" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["semicarbazides", "ureas"] topic_path: "general/semicarbazides" source: "https://en.wikipedia.org/wiki/Biurea" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

| ImageFile = Biurea.svg | ImageFile_Ref = | ImageSize = 160 | PIN = Hydrazine-1,2-dicarboxamide | SystematicName = (Carbamoylamino)urea | OtherNames = {{unbulleted list|Bicarbamamide|Bicarbamimidic acid|Biscarbamoylhydrazine|Carbamoylsemicarbazide|Hydrazinedicarboxamide|Ureidourea |Section1={{Chembox Identifiers | CASNo = 110-21-4 | CASNo_Ref = | UNII_Ref = | UNII = POJ4UOY01H | PubChem = 8039 | ChemSpiderID = 7748 | ChemSpiderID_Ref = | EINECS = 203-747-2 | SMILES = NC(=O)NNC(N)=O | StdInChI = 1S/C2H6N4O2/c3-1(7)5-6-2(4)8/h(H3,3,5,7)(H3,4,6,8) | StdInChI_Ref = | StdInChIKey = ULUZGMIUTMRARO-UHFFFAOYSA-N | StdInChIKey_Ref = |Section2={{Chembox Properties | C=2 | H=6 | N=4 | O=2 | Appearance = White crystals |Section3={{Chembox Thermochemistry | DeltaHf = −499.9–−497.5 kJ mol−1 | DeltaHc = −1.1471–−1.1447 MJ mol−1 |Section4={{Chembox Related | OtherCompounds =

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.

References

References

  1. (26 March 2005). "Biurea - Compound Summary". National Center for Biotechnology Information.
  2. [http://www.inchem.org/documents/jecfa/jecmono/40abcj28.htm Azodicarbonamide], FAO Nutrition Meetings, Report Series No. 40A, B, C
  3. (1987). "The fate of inhaled azodicarbonamide in rats". Fundamental and Applied Toxicology.
  4. Eugene F. Rothgery. (2004). "Hydrazine and Its Derivatives". John Wiley and Sons.

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semicarbazidesureas