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Basic Info.
Model NO.
97%
EINECS
231-673-0
Certification
CCIC, CIQ, RoHS, ISO
Purity
90%~99%
Type
Sodium Sulfate
Appearance
Powder
Grade Standard
Industrial Grade
Application
Leather Treatment, Food Additive
Delivery
Within 15 Days After Payment
Synonym
Sodium Pyrosulfite
HS
28321000
Transport Package
25kg, 500kg, 1000kg
Specification
97%
Trademark
ZANE CHEM
Origin
Weifang
HS Code
2832100000
Production Capacity
100000mt
Product Description
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 |

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