151173
Sigma-Aldrich
Ninhydrin
ACS reagent
| Synonym: | 1,2,3-Indantrione monohydrate, 2,2-Dihydroxy-1,3-indanedione, Trioxohydrindene monohydrate |
| CAS Number: | 485-47-2 |
| Linear Formula: | C9H6O4 |
| Molecular Weight: | 178.14 |
| Beilstein Registry Number: | 1910963 |
| EC Number: | 207-618-1 |
| MDL number: | MFCD00003791 |
| PubChem Substance ID: | 24849098 |
Description
| Application | Used for the detection of free amino groups in amino acids, peptides and proteins |
| Used in the detection and assay of peptides, amino acids, amines, and amino sugars yielding highly fluorescent ternary compounds with aldehydes and primary amines.1,2 Reaction with sarcosine or proline gives azomethine ylides.3 | |
| Packaging | 25, 100 g in glass btl |
Properties
| grade | ACS reagent |
| identification and melting point | passes test |
| color | white to brownish-white, crystals |
| mp | 250 °C (dec.)(lit.) |
| solubility | H2O: passes test |
| suitability | passes test for sensitivity to amino acids |
Safety
| Personal Protective Equipment | dust mask type N95 (US), Eyeshields, Gloves |
| Hazard Codes | Xn |
| Risk Statements | 22-36/37/38 |
| Safety Statements | 26 |
| WGK Germany | 3 |
| RTECS | NK5425000 |
References
| Cited Reference | 1. Anal. Biochem. 211, 240, 242, (1993) |
| 2. Tet. 34, 1285, (1978) | |
| 3. Gazz. Chim. Ital. 123, 137, (1993) | |
| reference | Moore, S., Amino acid analysis: aqueous dimethyl sulfoxide as solvent for the ninhydrin reaction. J. Biol. Chem. 243, 6281-6283, (1968) Abstract |
| Kaiser, E., Kaiser test. Anal. Biochem. 34, 595, (1970) | |
| Samejima, K., Reagent for detecting and assaying peptides, amino acids, amines and amino sugars. Anal. Biochem. 42, 222, 237, (1971) | |
| Schoenberg, A., Singer, E., Review. Tet. 34, 1285, (1978) | |
| James, L.B., Amino acid analysis: ninhydrin reaction with titanous chloride. J. Chromatogr. Sci. 152, 298, (1978) | |
| Merck | Merck 13,6582 |






