Ninhydrin reagent acc.to Stahl, yellow liquid derivatisation reagent, for TLC

Supplier: Merck
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Synonyms: 2,2-Dihydroxyindan-1,3-dionTrioxohydrindene monohydrateNinhydrin monohydrate2,2-Dihydroxy-1,3-indanedioneIndanetrione hydrate2,2-Dihydroxyindane-1,3-dione1,2,3-Indantrione monohydrate

M-Clarity™ quality level = MQ100

17975-100MLEA 77 GBP
17975-100ML
Ninhydrin reagent acc.to Stahl, yellow liquid derivatisation reagent, for TLC
Ninhydrin

Ninhydrin reagent is mostly used for the detection of amino acids. It basically gives a characteristic purple color on reaction with a-amino acids and other amino compounds, provided the pH of the reaction is 5.0 or higher.


At an acid pH of 0.3, the reaction of ninhydrin with ornithinine and proline results in a red color product. Ninhydrin reagent can stay stable at room temperature in the absence of nitrogen atmosphere for upto 1 month in the ethylene glycol-sodium acetate solvent system.


Ninhydrin reagent may be used for the quantitative determination of total protein content in tissue hydrolysates.

Formula: C₉H₆O₄
MW: 178.14 g/mol
Density: 0.823 g/ml (20 °C)
MDL Number: MFCD00003791
CAS Number: 485-47-2
UN: 1120
ADR: 3,III
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