- 1,8-Diazafluoren-9-one
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1,8-Diazafluoren-9-one 9H-pyrido[3',2':3,4]cyclopenta[1,2-b]pyridin-9-oneOther namesDFO
9H-1,8-Diazafluoren-9-one
9H-Cyclopenta[1,2-b:4,3-b']dipyridin-9-oneIdentifiers CAS number 54078-29-4 ChemSpider 633891 Jmol-3D images Image 1
Image 2- O=C1C3=C(C=CC=N3)C2=C1N=CC=C2
O=C3c1ncccc1c2c3nccc2
Properties Molecular formula C11H6N2O Molar mass 182.18 g/mol Melting point 229-233 °C
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Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)Infobox 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
- ^ C.A. Pounds et al. (1990). J. Forensic Sci. 35: 169.
External links
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