BioWiki

Ninhydrin

2,2-Dihydroxy-1H-indene-1,3-(2H)-dione. Reagent toxic to skin and mucus membranes. It is used in chemical assay for peptide bonds, i.e., protein determinations and has radiosensitizing properties.

Name Ninhydrin1)
Indan-1,2,3-trione
MeSH 68009555
Molecular Weight 178.14154 g/mol
Molecular Formula C9H6O4
XLogP 0.4
CAS 485-47-2
m.p.241 ℃
(decomposition)
safety0766



PubChem image 10236

Ninhydrin reaction

Reaction 1



Reaction 2

Wikipedia

1) 2,2-dihydroxyindene-1,3-dione