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| Signal Word | Danger |
| UN Number | 1463 |
| UN Packing Group | II |
| UN Class | 5.1 |
| UN Sub Risk | 8 |
Safety Data Sheets (SDS) are available for all of our products and can be downloaded below.
| Purity | >=99% |
| Sulphate | <=0.1% |
| Insoluble matter | <=0.1% |


