| Characteristics | Specification |
|---|---|
| Concentration of HCl | 30% - 33% |
| Appearance | Clear, Colorless |
| Specific Gravity | 1.16 - 1.19 g/cm³ |
| Free Chlorine | 0.01% Max |
| Iron as Fe | 0.0005% Max |
| Sulphate (SO₄) | 0.003% Max |
| Arsenic as As | 0.0005% Max |
| Heavy Metals as Pb | 0.0005% Max |
| Boiling Point | 108°C |
| Free Acid (as HCl) | 30% - 37% |