CAS : 7681-57-4
MDL : MFCD00167602
EINECS : 231-673-0
Other name :
Sodium pyrosulfiteSodium sulfite
Chemical Properties
Formula : Na2O5S2
Formula weight : 190.10
Melting Point : >300°
Density : 1.480
Sensitivity : Moisture Sensitive. Air Sensitive. Store under Nitrogen. Ambient temperatures.
Form : Powder
Solubility : Soluble in water, ethanol and glycerol.
Applications
Sodium metabisulfite is used as an active ingredient in campden tablets, as a cleaning agent for potable water reverse osmosis membranes, as a preservative and an antioxidant in food. It also acts as a corrosion inhibitor in oil and gas industry, as a bleaching agent in the production of coconut cream, as the source of sulfur dioxide and in the destruction of cyanide in commercial gold cyanidation processes. It is utilized in the precipitation of gold from auric acid as well as in the waste water treatment to remove hexavaent chromium as trivalent chromium by precipitation after reduction. Further, it is used in photography. In addition, it plays as an oxygen scavenger to eliminate the dissolved oxygen in wastewater and in pipes.
Grade Specifications
GHS Hazard and Precautionary Statements
Hazard Statements : H318-H302Causes serious eye damage.Harmful if swallowed.
Precautionary Statements : P280-P264-P305+P351+P338-P310-P301+P312-P501aWear protective gloves/protective clothing/eye protection/face protection.Wash thoroughly after handling.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.Immediately call a POISON CENTER or doctor/physician.IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell.Dispose of contents/container in accordance with local/regional/national/international regulations.
Other References :
Merck : 14,8638
| Pakage | 10000g, 2500g, 500g |
|---|---|
| brand | Alfa Aesar |
