CAS No.: | 7681-57-4 |
---|---|
Formula: | Na2s2o5 |
EINECS: | 231-673-0 |
Certification: | CCIC, CIQ, ISO |
Purity: | 97% |
Type: | Sodium Metabisulfite |
Samples: |
---|
Suppliers with verified business licenses
n Stock Food or Industrial Grade SMBS Sodium Metabisulfite 97%
Sodium metabisulfite appears as a white crystalline or powder solid with a slight sulfur odor. Toxic by inhalation. Strongly irritates skin and tissue. Noncombustible, but may decompose to emit toxic oxide fumes of sulfur and sodium when heated to high temperature. A corrosive acid when mixed with water. Used as a food preservative and as a laboratory reagent.
Test Iterms | Specification | Test Result |
Purity(As Na2S2O5) ; %≥ | 97% | 97.3 |
Iron(As Fe); % ≤ | 0.003 | 0.002 |
Arseni c; mg/kg ≤ | 5.0 | <5.0 |
Heavy Metal(As Pb); mg/kg ≤ | 1.0 | <1.0 |
Water insoluble matter | 0.05 | 0.02 |
Suppliers with verified business licenses