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33484

Sigma-Aldrich

1,8-Diazafluoren-9-one

Sinônimo(s):

Cyclopenta[1,2-b:4,3-b’]dipyridin-9-one

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About This Item

Fórmula empírica (Notação de Hill):
C11H6N2O
Número CAS:
54078-29-4
Peso molecular:
182.18
Beilstein:
134499
Número MDL:
MFCD00082335
Código UNSPSC:
12352108
ID de substância PubChem:
57648844
NACRES:
NA.32

pf

229-233 °C

solubilidade

acetic acid: 10 mg/mL, clear

fluorescência

λex 470 nm; λem 570 nm

temperatura de armazenamento

2-8°C

cadeia de caracteres SMILES

O=C1c2ncccc2-c3cccnc13

InChI

1S/C11H6N2O/c14-11-9-7(3-1-5-12-9)8-4-2-6-13-10(8)11/h1-6H

chave InChI

FOSUVSBKUIWVKI-UHFFFAOYSA-N

Aplicação

1,8-Diazafluoren-9-one (DFO) is used in forensic science to detect latent fingerprints on paper and other materials. DFO forms highly fluorescent derivatives with amino acids (excitation ~470 nm; emission ~570 nm).

Embalagem

Bottomless glass bottle. Contents are inside inserted fused cone.

Outras notas

Reagent forming highly fluorescent derivatives with amino acids (excitation ~470 nm; emission ~570 nm). Used for the detection of latent fingerprints on paper with high sensitivity.

Código de classe de armazenamento

11 - Combustible Solids

Classe de risco de água (WGK)

WGK 3

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Equipamento de proteção individual

Eyeshields, Gloves, type N95 (US)

Certificados de análise (COA)

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C.A. Pounds et al.
Journal of Forensic Sciences, 35, 169-169 (1990)
Aneta Lewkowicz et al.
Materials (Basel, Switzerland), 13(13) (2020-07-10)
The investigation of innovative label-free α-amino acids detection methods represents a crucial step for the early diagnosis of several diseases. While 1,8-diazafluoren-9-one (DFO) is known in forensic application because of the fluorescent products by reacting with the amino acids present
Danna E Bicknell et al.
Journal of forensic sciences, 53(5), 1108-1116 (2008-07-22)
1,2-Indanedione belongs to a class of compounds which have demonstrated great potential in the processing of latent prints, particularly in the area of fluorescence. However, variability in results achieved worldwide has precluded it from being used extensively. In order to
D Wilkinson
Forensic science international, 109(2), 87-103 (2000-03-08)
This paper describes the study of the reaction between 1, 8-diazafluoren-9-one (DFO) with the amino acid L-alanine in methyl alcohol. Particular interest was paid to the possible role of the solvent which appears to react with the DFO to form
Kelly Mayse et al.
Science & justice : journal of the Forensic Science Society, 59(3), 349-358 (2019-05-06)
A study into the modification of 1,8-diazafluoren-9-one (DFO) formulations by the additions of metal salts into the working solution is reported. Similar additions have been found to increase the fluorescence of marks developed using other amino acid reagents including 1,2-indandione
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