Chemistry:Acid orange 7

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Acid orange 7
Skeletal formula of acid orange 7
Ball-and-stick model of the component ions of acid orange 7
Names
IUPAC name
sodium 4-[(2E)-2-(2-oxonaphthalen-1-ylidene)hydrazinyl]benzenesulfonate
Other names
2-naphthol orange, Orange II, CI 15510, D&C Orange 4, COLIPA C015
Identifiers
3D model (JSmol)
ChemSpider
UNII
Properties
C16H11N2NaO4S (sodium salt)
Molar mass 350.32 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references
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Acid orange 7, also known as 2-naphthol orange and Orange II, is an azo dye. It is used for dyeing wool. It is produced by azo coupling of β-naphthol and diazonium derivative of sulfanilic acid.[1][2]

References

  1. Klaus Hunger; Peter Mischke; Wolfgang Rieper; Roderich Raue; Klaus Kunde; Aloys Engel (2005). "Azo Dyes". Ullmann’s Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a03_245. .
  2. www.chemicalland21.com