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799343 Sigma-Aldrich

Sodium metabisulfite

anhydrous, free-flowing, Redi-Dri, ReagentPlus®, ≥99%

Synonym: Sodium disulfite, Sodium pyrosulfite

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Properties

Quality Level   100
grade   ReagentPlus®
  Redi-Dri
  anhydrous
assay   ≥99%
quality   free-flowing
mp   >300 °C (lit.)
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

Packaging

1, 2.5 kg in poly bottle

500 g in poly bottle

Other Notes

As a solid, this product is sodium metabisulfite, Na2S2O5. Dissolved in water, it yields NaHSO3.

Legal Information

ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

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

Documents

Certificate of Analysis (COA)

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Protocols & Articles

Articles

Enjoy the Free-flowing Experience - Redi-Dri™

What is the most frustrating moment you have experienced in the lab? Inadequate chemicals for the reaction? Or rock-solid material as you open your bottle when you only need a small amount? If you ha...
Keywords: Environmental

Peer-Reviewed Papers
15

References

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