CAS Number
7681-57-4
Formula
Na2S2O5
Weight
M: 190,10 EC: 231-673-0 NC: 2832 10 00
Signal Word: Danger
75 H302-EUH031-H318
| Minimum assay (Iodom.) | 97,0 % |
| MAX. IMPURITIES | |
| Insoluble matter in H2O | 0,005 % |
| Chloride (Cl) | 0,005 % |
| Phosphate (PO4) | 0,002 % |
| Thiosulphate (S2O3) | 0,05 % |
| Heavy metals (as Pb) | 0,001 % |
| As | 0,0001 % |
| Metals by ICP [mg/Kg (ppm)] | |
| Al | 5 |
| Au | 5 |
| Ba | 5 |
| Bi | 5 |
| Cd | 5 |
| Co | 5 |
| Cr | 10 |
| Cu | 10 |
| Fe | 10 |
| Ga | 5 |
| In | 5 |
| Mg | 5 |
| Mn | 10 |
| Mo | 5 |
| Ni | 10 |
| Pb | 10 |
| Pt | 5 |
| Sb | 5 |
| Si | 5 |
| Sn | 5 |
| Sr | 5 |
| Ti | 5 |
| Tl | 10 |
| V | 5 |
| Zn | 10 |
| Zr | 5 |
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