MilliporeSigma
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S4672

Sigma-Aldrich

Sodium sulfite

BioXtra, ≥98%

Linear Formula:
Na2SO3
CAS Number:
Molecular Weight:
126.04
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.25

product line

BioXtra

Quality Level

assay

≥98%

form

powder or crystals

impurities

≤0.005% Insoluble matter
≤5 ppm Phosphorus (P)

solubility

H2O: 1 M at 20 °C, clear, colorless

anion traces

chloride (Cl-): ≤0.02%

cation traces

Al: ≤5 ppm
Ca: ≤0.01%
Cu: ≤5 ppm
Fe: ≤5 ppm
K: ≤0.05%
Mg: ≤0.005%
NH4+: ≤0.05%
Pb: ≤10 ppm
Zn: ≤5 ppm

SMILES string

[Na+].[Na+].[O-]S([O-])=O

InChI

1S/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2

InChI key

GEHJYWRUCIMESM-UHFFFAOYSA-L

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Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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