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Ninhydrin Reagent, TRIONE®

Synonyms: Indanetrione hydrate

TRIONE® Ninhydrin reagent is specially formulated for amino acid analysis. It contains Ninhydrin, Hydrindantin (reduced Ninhydrin), a Lithium Acetate buffer, and Sulfolane, a water-miscible organic solvent.

The solvent is necessary to maintain the solubility of both the Hydrindantin and the primary amine product, Ruhemann’s Purple. The buffer is required because the reaction is pH dependent. The active ingredients—Ninhydrin and Hydrindantin are required for proper development of secondary and primary amines, respectively.

The high signal-to-noise ratio of TRIONE®, when compared to DMSO-containing reagents, permits detection sensitivity to be increased with minimum increase in background noise - a feature particularly appreciated at sample concentrations of 50 picomoles.

Formula: C₉H₆O₄
MW: 178,14 g/mol
MDL Number: MFCD00003791
CAS Number: 485-47-2
Specification Test Results
Shelf Life 4 Months



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Size Packaging Supplier No. VWR Catalog Number Unit Price Quantity
950 mL Bottle T100 100358-712 Each Retrieving
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