Key Documents
Safety Information and Hazard Symbols
1-Amino-2-Naphthol-4-Sulphonic Acid (AR grade) is purity of 99%. It has a molecular formula of NH₂·C₁₀H₅(OH)·SO₃H and a molecular weight of 239.25. The product provides a minimum assay of 98.0% and demonstrates high sensitivity to phosphate, making it suitable for analytical applications. It contains a maximum sulphated ash content of 0.5% and chloride content limited to 0.01%. With a shelf life of 60 months, it ensures reliable performance in laboratory testing.
| Product Size | 100gm | Grade | Analytical Reagent (AR) |
| Purity | 99% | CAS No. | 116-63-2 |
| Molecular Formula | NH2.C10H5(HO).SO3H | Molecular Weight | 239.25 |
| H.S. Code | 29222100 | Shelf Life | 60 months |
| Minimum assay | 98.0% |
| Sensitivity to phosphate | Passes |
| Sulphated ash | Max. 0.5% |
| Chloride (Cl) | Max. 0.01% |
| Appearance | Pale violet coloured powder |
| Physical state | Solid |
| Solubility | Slightly soluble in water |
| Melting point/ Freezing point [°C] | 295 °C |
| Density [g/cm3] | N/A |
| Boiling point [°C] | N/A |
