Sodium metabisulfite or sodium pyrosulfite is an inorganic compound of chemical formula Na2S2O5. The substance is sometimes referred to asdisodium (metabisulfite). It is used as a disinfectant, antioxidant and preservative agent.
Sodium Metabisulphite 97-100.5% BP Ph.Eur, USP, E223 Food Grade
£3.85 – £84.50
- Preservative Agent
- Removal of Tree Stumps
Minimum Assay: >95% (as Na2S2O5)
Assay as SO2: >64%
Molecular Formula: Na2O5S2
Molecular Weight: 190.10
Melting Point: >300 deg C
pH (10% Sol): 4.0- 5.5
Arsenic (As): <3mg/Kg
Iron (Fe): <30mg/Kg
Mercury (Hg): <1mg/Kg
Lead (Pb): <5mg/Kg
Selenium (Se): <6mg/Kg
Heavy Metals (as Pb): <10mg/Kg
Certified Food Grade
Conforms to Commission Directive 2008/84/EC (E223)
Hazard Phrases: Causes serious eye damage. Harmful if swallowed. Contact with acids liberates toxic gas.
Prec Phrases: Wear protective gloves/protective clothing/eye protection/face protection.
HS CODE: 2832100000
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