17983 Fluka

Disperse Orange 3

for microscopy

Synonym: 4-(4-Nitrophenylazo)aniline

  • CAS Number 730-40-5

  • Linear Formula O2NC6H4N=NC6H4NH2

  • Molecular Weight 242.23

  •  Beilstein Registry Number 1842907

  •  Colour Index Number 11005

  •  EC Number 211-984-8

  •  MDL number MFCD00007856

  • Popular Documents:  FTNMR (PDF)  


grade   for microscopy
mp   ~200 °C (dec.)(lit.)
absorption   λmax 443 nm


Features and Benefits

Used to provide experimental verification of a two-level model for the enhancement of the nonresonant, nonlinear refractive index, with a decrease in absorption by reduction of a donor group strength.1

Other Notes

Dye standard for the assay of allergy-inducing dyes in textiles 2,3

Price and Availability

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