NINHYDRIN, PIERCE REAGENT 500 GM，21003BID，赛默飞世尔

Thermo Scientific Pierce Ninhydrin is a classic, amine-reactive, colorimetric detection reagent for protein detection and amino acid analysis.

Features of Ninhydrin:

• For post-column amino acid derivatization for colorimetric detection with millimolar sensitivity
• Reacts with all primary amine-containing analytes to yield colored derivatives (λmax = 440nm)
• Stable indefinitely; no refrigeration required; keep bottle tightly sealed; avoid exposure to direct sunlight and ammonia

Reagent Properties:
• Alternative names: Ninhydrin
• Chemical name: 2,2-Dihydroxy-1H-indene-1,3(2H)-dione
• Reactive toward: Primary amines (—NH2); some secondary amines
• Chemical formula: C9H6O4
• CAS number: 485-47-2
• Molecular weight: 178.14
• Form: Pale to light yellow-green, free-flowing crystals