NINHYDRINE
NINHYDRINE
| Article No. | 535003 |
| Grade | AR/ACS |
| Purity | 99% |
| CAS No. | 485-47-2 |
| Molecular Formula | C9H6O4 |
| Molecular Weight | 178.14 |
| H.S. Code | 2914.3990 |
| Shelf Life | 60 Months |
Physical properties
| Physical state at 20°C | Solid |
| Colour | White to pale yellow |
| Odour | Odorless |
| pH value | 4.6 – 5.0 |
| Melting point/ Freezing point | 250 °C |
| Vapour density | 6.16 |
| Density [g/cm³] | 0.86 |
| Solubility in water [% weight] | Soluble in water |
Specifications
| Appearance | White or very pale yellow, crystalline powder. |
| Assay | Min 99% |
| Solubility | soluble in water and in ethanol (96 per cent) |
| Sulphates ash | Max 0.1% |
| Sensitivity for amino acids | Passes test |
| Identification | Passes test |
| Melting point | 250-254 ºC |
| Packings | 25 gm |
