Character & Purpose: colorless or white granular, easily becoming efflorescentin the dry qir. Usded in tanning, porcelain, pigment, match, fireproof materials,Mg-salt,dyeing,medicine and food additives.
Packing: 25kg bag pp woven bags
Formula: MgSO4-7H2O
Standard:
| Item | Spec. | Typical result |
| MgSO4-7H2O/% | 99.0 Min. | 99.56 |
| Cl-/% | 0.02 Max. | 0.012 |
| Fe2+/% | 0.0015 Max. | 0.001 |
| Heavy metal/% | 0.001Max. | 0.001%Max. |
| As | 4ppm Max. | 4ppm Max. |