• USA Home
  • 161519 - Sodium metabisulfite

EMAIL THIS PAGE TO A FRIEND
161519 Sigma-Aldrich

Sodium metabisulfite

reagent grade, 97%

Synonym: Sodium disulfite, Sodium pyrosulfite

Purchase

Properties

Related Categories Essential Chemicals, Research Essentials, Salts, Sodium Salts
Quality Level   100
grade   reagent grade
assay   97%
mp   >300 °C (lit.)
solubility   water: soluble 650 g/L at 20 °C
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 (MBS, Sodium disulfite) is the sodium salt of disulphurous (pyrosulfurous) acid. It is also commonly added to various food products and wines as a preservative.

Application

Sodium metabisulfite may be used to initiate the cross-linking of polybutadiene by free radical polymerization. It may be used to prevent the oxidation (as antioxidant) during the preparation of stock solutions of 6-hydroxydopamine (6-OHDA) and 6-OHDA HBr in various studies.

Packaging

2.5 kg in poly bottle

500 g in poly bottle

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

Certificate of Origin (COO)

Please Enter a Lot Number

Single- & multi-channel pipettes from BRAND
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?