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255556 Sigma-Aldrich

Sodium metabisulfite

ACS reagent, ≥97.0%

Synonym: Sodium disulfite, Sodium pyrosulfite

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Properties

Related Categories Chemical Synthesis, Essential Chemicals, Inorganic Salts, Research Essentials, Salts,
grade   ACS reagent
assay   ≥97.0%
impurities   ≤0.005% insolubles
mp   >300 °C (lit.)
anion traces   chloride (Cl-): ≤0.05%
  thiosulfate (S2O32-): ≤0.05%
cation traces   Fe: ≤0.002%
  heavy metals (as Pb): ≤0.001%
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

Other Notes

A -D suffix exists for administrative purposes only.
All -D packages are 100% the same product, same quality, same specification as the package sizes previously sold without a -D.

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Supplemental Hazard Statements 
EUH031
Personal Protective Equipment 
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)

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Certificate of Origin (COO)

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Single- & multi-channel pipettes from BRAND
Protocols & Articles
Peer-Reviewed Papers
15

References

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