Product Overview
Sodium Metabisulfite, Anhydrous, Granular, Reagent, ACS Grade
Molecular Formula: S2O5•2Na
CAS Number: 7681-57-4
Molecular Weight: 190.10
Sodium Metabisulfite, Anhydrous, Granular, Reagent, ACS, also known as disodium or metabisulfite, is typically used as an antioxidant, disinfectant or preservative agent. As an ACS grade quality reagent, its chemical specifications are the de facto standards for chemicals used in many high-purity applications and typically designate the highest quality chemical available for laboratory use. ScienceLab Reagent ACS grade products meet the toughest regulatory standards for quality and purity.
Synonyms: Disodium Disulfite ; Sodium Metabisulphite ; Disodium Pyrosulfite ; Sodium Pyrosulfite
| TEST | MIN | MAX |
|---|---|---|
| APPEARANCE | AS REPORTED | |
| ASSAY (Na2S2O5) | 97.0 % | |
| INSOLUBLE MATTER | 0.005 % | |
| CHLORIDE (Cl) | 0.05 % | |
| THIOSULFATE (S2O3) | 0.05 % | |
| HEAVY METALS (as Pb) | 0.001 % | |
| IRON (Fe) | 0.002 % |
Shipping Information
Tariff No. 2832100000
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Storage Information
LIGHT SENSITIVE, AIR SENSITIVE: Keep tightly closed in light-resistant containers
