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Azodicarbonamide
Identifiers
CAS number	[123-77-3]
SMILES	NC(=O)/N=N/C(N)=O
Properties
Molecular formula	C2H4O2N4
Molar mass	116.0787 g/mol
Hazards
MSDS	External MSDS
EU classification	Harmful (XN)
NFPA 704	1 2 2
R-phrases	R42 R44
S-phrases	S22 S24 S37
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references

Azodicarbonamide, or azobisformamide, is an organic chemical, C₂H₄O₂N₄. It is a yellow to orange red, odorless, crystalline powder. It is known as E number E927. Image File history File links Azodicarbonamide. ... CAS registry numbers are unique numerical identifiers for chemical compounds, polymers, biological sequences, mixtures and alloys. ... The simplified molecular input line entry specification or SMILES is a specification for unambiguously describing the structure of chemical molecules using short ASCII strings. ... A chemical formula is a concise way of expressing information about the atoms that constitute a particular chemical compound. ... Molar mass is the mass of one mole of a chemical element or chemical compound. ... This page meets Wikipedias criteria for speedy deletion. ... Council Directive 67/548/EEC of 27 June 1967 on the approximation of laws, regulations and administrative provisions relating to the classification, packaging and labelling of dangerous substances (as amended) is the main European Union law concerning chemical safety. ... NFPA 704 is a standard maintained by the U.S. National Fire Protection Association. ... Image File history File links NFPA_704. ... R-phrases are defined in Annex III of European Union Directive 67/548/EEC: Nature of special risks attributed to dangerous substances and preparations. ... S-phrases are defined in Annex IV of European Union Directive 67/548/EEC: Safety advice concerning dangerous substances and preparations. ... The plimsoll symbol as used in shipping In chemistry, the standard state of a material is its state at 1 bar (100 kilopascals exactly). ... For other uses, see Carbon (disambiguation). ... This article is about the chemistry of hydrogen. ... This article is about the chemical element and its most stable form, or dioxygen. ... General Name, symbol, number nitrogen, N, 7 Chemical series nonmetals Group, period, block 15, 2, p Appearance colorless gas Standard atomic weight 14. ... For the mathematical constant see: E (mathematical constant). ...

It is used in food industry as a food additive, a flour bleaching agent and improving agent. Food additives are substances added to food to preserve flavor or improve its taste and appearance. ... Flour bleaching agent is a food additive added to flour in order to make it appear whiter (freshly milled flour is yellowish) and to oxidize the surfaces of the flour grains and help with developing of gluten. ... Flour treatment agents (also called improving agents) are food additives added to flour in order to improve its properties. ...

When it reacts with flour, it behaves as a hydrogen acceptor, and is quickly and completely converted to biurea, which is stable even during baking. The reaction occurs only during wetting of the dough. Acceptable doses for flour treatment range between 0-45 ppm. Parts per million (ppm) is a measure of concentration that is used where low levels of concentration are significant. ...

It is also used in the production of foamed plastics and the manufacture of gaskets. Use of azodicarbonamide as a food additive is banned in Australia. This substance is banned in Europe due to ethical reasons. Furthermore, the usage of this substance can result in up to 15 years imprisonment and a fine of $450,000 in Singapore.

Subway restaurants utilize azodicarbonamide in their bread.^[1]

In the UK, the Health and Safety Executive has identified azodicarbonamide as a respiratory sensitiser (a possible cause of asthma) and determined that products should be labeled with "May cause sensitisation by inhalation."^[2] The Health and Safety Executive (HSE), reporting to the Health and Safety Commission, is the British government body responsible for the regulation of risks to health and safety in the UK. It was created as a result of the Health and Safety at Work, etc, Act 1974, and has since...

Azodicarbonamide may cause an allergic reaction in those sensitive to other azo compounds (such as food dyes). The consumption of azodicarbonamide may also heighten an allergic reaction to other ingredients in a food.

See also

• semicarbazide

Urea Hydrazine In organic chemistry, a Semicarbazide is a derivative of urea, where NH2 on one side has been replaced with H2NNH2 hydrazine, yielding H2NNHC(=O)NH2. ...

References

1. ^ Surprise Ingredients in Fast Food
2. ^ OHS Reps @ Work