Potassium Metabisulfite, Crystal, Reagent
Dipotassium Pyrosulfite
|
Chemical Formula |
K2S2O5 |
|
Molecular Weight |
F.W. 222.33 |
|
CAS # |
16731-55-8 |
|
Safety Information |
|
|
Health Hazard |
2 |
|
Fire Hazard |
0 |
|
Reactivity |
0 |
|
|
|
|
Test |
Specification |
| Assay (Iodometric) | Min. 96.0% |
| Equivalent SO2 Value | Approx. 54% |
| MAXIMUM LIMITS | |
| Arsenic (As) | 0.0001% |
| Chloride (Cl) | 0.005% |
| Heavy Metals (as Pb) | 0.003% |
| Insoluble Matter | 0.005% |
| Iron (Fe) | 0.0005% |
|
UPS limit |
2.5 kg |
|
Storage Information |
AIR SENSITIVE, HEAT SENSITIVE: Keep tightly closed in a cool place. |
Chemical information and descriptions have been provided by Spectrum Chemicals.
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