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Fast and safe delivery
| Signal Word | Warning |
| UN Number | 2923 |
| UN Packing Group | III |
| UN Class | 8 |
| UN Sub Risk | 6.1 |
Safety Data Sheets (SDS) are available for all of our products and can be downloaded below.
| Purity | >=99% |
| Sulphate | <=0.005% |
| Iron | <=0.001% |
| Water | <=0.4% |
| Heavy metals | <=0.0005% |


