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[nin-hahy-drin] /nɪnˈhaɪ drɪn/

noun, Chemistry.
a white or yellow, toxic, crystalline or powdery compound, C 9 H 4 O 3 ⋅H 2 O, that reddens when heated above 100°C, a monohydrate, soluble in water or alcohol: used primarily as a reagent to detect the presence of various amino acids.
a chemical reagent used for the detection and analysis of primary amines, esp amino acids, with which it forms a derivative with an intense purple colour

ninhydrin nin·hy·drin (nĭn-hī’drĭn)
A poisonous crystalline oxidizing agent used as an analytic reagent.


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