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1,8-Diazafluoren-9-one

1,8-Diazafluoren-9-one
IUPAC name 1,8-Diazafluoren-9-one
Other names DFO
9H-1,8-Diazafluoren-9-one
9H-Cyclopenta[1,2-b:4,3-b']dipyridin-9-one
Identifiers
CAS number [54078-29-4]
SMILES O=C1C3=C(C=CC=N3)C2=C1N=CC=C2
Properties
Molecular formula C11H6N2O
Molar mass 182.18 g/mol
Melting point

229-233 °C
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)
Infobox disclaimer and references

1,8-Diazafluoren-9-one, also known as DFO, is a chemical that is used to find fingerprints on porous surfaces. It makes fingerprints glow when they are lit by blue-green light.

DFO reacts with amino acids present in the fingerprint to form highly fluorescent derivatives. Excitation with light at ~470 nm results in emission at ~570 nm.[1]

References

  1. ^ C.A. Pounds et al. J. Forensic Sci. 35, 169, (1990)

External links


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