| Item | Spec |
| NAHCO3 % | 99.5-100.5 |
| Loss on drying % | 0.20 Max |
| PH Value | 8.5 Max |
| CL % | 0.4 Max |
| AS% Max | 0.0001 |
| Heavy Material Pb% Max | 0.0005 |
| NH4 | Pass |
| Clear Decree | Pass |
| White % Min | 90 |
| Mesh % Min pass 100mesh | 95 |
White powder or tiny crystals,odorous and salty, easily soluble in water, insoluble in alcohol, presenting slightlyalkalinity, decomposed when heating. Decomposed slowly when exposed to moistair.