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| Signal Word | Danger |
| Hazard Phrase Codes | H314, H410 |
| Precaution Phrase Codes | P280, P264, P363, P301+P330+P331, P303+P361+P353, P305+P351+P338 |
| UN Number | 1839 |
| UN Packing Group | II |
| UN Class | 8 |
Safety Data Sheets (SDS) are available for all of our products and can be downloaded below.
| Purity | >=99.0% |
| Sulphate; as SO4 | <=0.10% |
| Nitrate; as NO3 | <=0.001% |
| Iron | <=0.0005% |
| Phosphate; as PO4 | <=0.001% |


