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| Signal Word | Danger |
| Hazard Phrase Codes | H314 |
| Precaution Phrase Codes | P280, P264, P301+P330+P331, P303+P361+P353, P305+P351+P338 |
| UN Number | 1830 |
| UN Packing Group | II |
| UN Class | 8 |
Safety Data Sheets (SDS) are available for all of our products and can be downloaded below.
| Purity | 95-97% |
| Residue on Ignition | <=0.01%w/w |
| Free Sulphur Dioxide | <=20ppm |
| Total Chloride; as HCl | <=15ppm |
| Oxides Of N2; as HNO3 | <=20ppm |
| Ammonical Nitrogen | <=5ppm |
| Selenium | <=1ppm |
| Iron | <=20ppm |
| Lead | <=1ppm |
| Arsenic | <=0.2ppm |
| Cadmium | <=0.02ppm |
| Mercury | <=0.1ppm |


