Ninhydrin
About This Item
| Product Name | Ninhydrin |
| Product Code | 456605 |
| Appearance | White or pale yellow crystalline powder |
| Formula | C₉H₆O₄ |
| EC-No. | 213-340-1 |
| CAS-No. | 485-47-2 |
| Molecular Weight | 178.14 |
| Grade | ACS Reagent |
Specification
| Colour | White to pale yellow |
| Odour | Odourless |
| Melting point | 250 °C (Decomposes) |
| Flammability | Non flammable |
| Decomposition temperature | ≈ 250 °C |
| pH | 4.6 – 5 |
| pH solution concentration | 1% |
| Viscosity, kinematic | Not applicable |
| Solubility | Water: 20 g/l – Soluble in water |
| Density | 0.86 g/cm³ |
| Relative vapour density at 20°C | 6.16 |
| Insoluble matter in water | Passes test |
| Sensitivity for amino acids | Passes test |
| Residue on ignition (as SO₄) | Max 0.1% |
| Identification and melting point | Passes test |
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