| Appearance | White to off-white powder |
| Solubility | Soluble in water |
| pH(2% in aqueous solution) | 5.5~7.5 |
| Pb | 100 ppm max. |
| As | 2.0 ppm max. |
| Cd | 5.0 ppm max. |
| Hg | 1.0 ppm max. |
| Total Bacterial count | 500 cfu/g |
| Mold & Yeast | 100 cfu/g |
| Heat-Resistant coliform Bacterial | Negative |
| Pseudomonas Aeruginosa | Negative |
| Staphylococcus Aureus | Negative |