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| Signal Word | Warning |
| UN Number | 1888 |
| UN Packing Group | III |
| UN Class | 6.1 |
Safety Data Sheets (SDS) are available for all of our products and can be downloaded below.
| Purity | >=99% |
| Free acid | <=0.001% |
| Free alkali | <=0.001% |
| Water | <=0.0200%w/w |
| Absorbance @ 400nm | <=0.0100AU |
| Absorbance @ 270nm | <=0.0100AU |
| Absorbance @ 260nm | <=0.0500AU |
| Absorbance @ 250nm | <=0.3000AU |
| Absorbance @ 244nm | <=1.0000AU |


