Sodium Metabisulfite, Granular, NF, EP, BP, JP
Sodium Metabisulphite; Disodium Pyrosulfite; Disodium Disulfite; Sodium Pyrosulfite
N.F. Functional Use: Antioxidant
|
Chemical Formula |
Na2S2O5 |
|
Molecular Weight |
F.W. 190.11 |
|
CAS # |
7681-57-4 |
|
Safety Information |
|
|
Health Hazard |
1 |
|
Fire Hazard |
0 |
|
Reactivity |
0 |
|
|
|
|
Test |
Specification |
| Assay (SO2) | 65.0-67.4% |
| Assay (Na2S2O5) | 95.0-100.5% |
| pH (5% Solution) | 3.5-5.0 |
| MAXIMUM LIMITS | |
| Chloride (Cl) | 0.05% |
| Iron (Fe) | 20 ppm |
| Thiosulfate (S2O3) | 0.05% |
| Heavy Metals (as Pb) | 20 ppm |
| Clarity | |
|
UPS limit |
150 lb |
|
Storage Information |
MOISTURE SENSITIVE: Keep tightly closed. |
Chemical information and descriptions have been provided by Spectrum Chemicals.
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