| Ninhydrin is used for the detection of free amino groups in amino acids, peptides and proteins. Synonyms: 2,2-Dihydroxy-1,3-indandione, 1H-Indene-1,2,3-trione 2-Hydrate, 2,2-Dihydroxy-1,3-dioxoindan, 2,2-Dihydroxy-1,3-indandione, 2,2-Dihydroxy-1H-indene-1,3(2H)-dione, 2,2-Dihydroxy-indene-1,3-dione, 2,2-Dihydroxyindane-1,3-dione, 2,3-Dihydro-2,2-dihydroxy-1,3-dioxo-1H-indene, Indane-1,2,3-trione monohydrate, Triketohydrindene Hydrate CAS Number: 485-47-2 Molecular Formula: C9H6O4 Molecular Weight: 178.14 Appearance: Light yellow to off white crystalline powder Purity: 99% (Titration) Loss on Drying: 8-11% Melting Point: 250-255C (dec.) Solubility (0.1g in 10ml water): Solution is clear to pale yellow in color Storage and Stability: Powder may be stored at 4C. Stable for 6 months after receipt. Light Sensitive |
