Sodium Metabisulphite

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)

Cas Number: 7681-57-4

Einecs Number: 231-673-0

HS Code / Commodity Code: 3822900000

Hazard Phrases: H318,H302,EUH031

Prec Phrases: P280,P301+P312+P330,P305+P351+P338+P310