Specifications
| Chemical Formula | NaHSO3 |
| Molecular Weight | 104 |
| Appearance | Light yellow flakes |
| Assay (SO2) | 62% Min |
| Solubility (10% Aqueous Solution) | Very soluble — hazy to clear solution |
| pH Value (5% Solution) | 3.5 to 4.5 |
| Description | White crystalline powder |