Description
| CAS | 5329-14-6 |
| Molecular Formula | H2NSO3H |
| Molecular Weight | 97.09 |
| Shelf Life | 60 Months |
| Physical Properties | |||
| Physical State at 20 °C | Solid | Colour | White powder |
| Odour | Odorless | pH Value | 1.18 |
| Melting Point/ Freezing Point [°C] | 215 – 225 °C | Vapour Density | 3.3 |
| Density [g/cm3] | 2.15 | Solubility in Water [% weight] | Soluble in water |
| Specifications | |||
| Appearance | White to off-white crystals ,crystalline powder / fine powder | Assay (Alkalimetric) | Min 99.5% |
| Chloride (Cl) | Max 0.001% | Sulphate (So4) | Max 0.05% |
| Nitrate (No3) | Max 0.002% | Heavy Metal (As Pb) | Max 0.0005% |
| Iron (Fe) | Max 0.0005% | Residue On Ignition | Max 0.02% |
| Dangerous Goods Information | |||
| UN Number | 2967 | DG Class | 8 |
| Safety Information & Hazard Symbols | |
| Symbol | GHS07 |
| Signal Word | Warning |
| Hazard Statement | H315-H319-H412 |
| Precaution Statement | P273-P305 + P351 + P338 |















