EMAIL THIS PAGE TO A FRIEND
08982 Supelco

Sodium metabisulfite

analytical standard

Synonym: E223, Sodium disulfite, Sodium pyrosulfite

Purchase

Properties

Related Categories Analytical Standards, Analytical/Chromatography, E numbers (Food Additives), E200–E299 (preservatives), E223,
Quality Level   100
grade   analytical standard
assay   ≥98.0% (iodometric, RT)
shelf life   limited shelf life, expiry date on the label
mp   >300 °C (lit.)
anion traces   chloride (Cl-): ≤50 mg/kg
  thiosulfate (S2O32-): ≤500 mg/kg
cation traces   As: ≤0.5 mg/kg
  Ca: ≤10 mg/kg
  Cd: ≤5 mg/kg
  Co: ≤5 mg/kg
  Cr: ≤5 mg/kg
  Cu: ≤5 mg/kg
  Fe: ≤5 mg/kg
  K: ≤200 mg/kg
  Mg: ≤5 mg/kg
  Mn: ≤5 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Zn: ≤5 mg/kg
Featured Industry   Cleaning Products
Cosmetics
Food and Beverages
Personal Care
SMILES string   [Na+].[Na+].[O-]S(=O)S([O-])(=O)=O
InChI   1S/2Na.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2
InChI key   HRZFUMHJMZEROT-UHFFFAOYSA-L

Description

General description

Sodium metabisulfite is primarily used as an antioxidant and antimicrobial agent in a wide variety of foods and drugs. It is also used as the main additive in the prevention of melanosis in shrimp.

Application

Sodium metabisulfite may be used as an antioxidant which when added to anesthetic formulations serves to minimize epinephrine oxidation in the quantification of epinephrine in dental anesthetic solutions by capillary electrophoresis. Sodium metabisulfite may also be used as a standard in the determination of catecholamines in human plasma by high-performance liquid chromatography with electrochemical detection.

Analysis Note

metal trace analysis: corresponds to requirements

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Supplemental Hazard Statements 
EUH031
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 1
RTECS 
UX8225000
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

Please Enter a Lot Number
Protocols & Articles
Peer-Reviewed Papers
15

References

Related Products

Technical Service:

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Bulk Ordering & Pricing:

Need larger quantities for your development, manufacturing or research applications?