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Sodium sulfite, 500G

SKU:
SX0785-1
  • $74.70

    • Description

    Sodium sulfite, anhydrous, Meets ACS, Reagent Specifications for testing USP/NF monographs GR ACS

    Linear Formula:
    Na2SO3
    CAS Number:
    7757-83-7
    Molecular Weight:
    126.04
    MDL number:
    MFCD00003503
    EC Index Number:
    231-821-4

    PROPERTIES

    Quality Level

    200

    assay

    ≥98.0% (iodometric)

    form

    powder

    impurities

    ≤0.005% Insoluble matter
    ≤0.03 meq/g Titrable free base

    pH

    8.8-10 (20 °C, 50 g/L in H2O)

    mp

    >500 °C (decomposition)

    solubility

    220 g/L

    anion traces

    chloride (Cl-): ≤0.02%

    cation traces

    Fe: ≤0.001%
    heavy metals (as Pb): ≤0.001%

    shipped in

    ambient

    storage temp.

    room temp

    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

    DESCRIPTION

    Packaging

    500 g in Plastic bottle
    2.5 kg in Plastic bottle
    12 kg in Plastic drum

    Analysis Note

    Assay (iodometric): 98.0% min
    Chloride (Cl): 0.02% max
    Free acid: To pass test
    Heavy metals (as Pb): 0.001% max
    Insoluble matter: 0.005% max
    Iron (Fe): 0.001% max
    Titrable free base: 0.03meq/g max

    SAFETY INFORMATION

    Storage Class Code

    13 - Non Combustible Solids

    WGK

    WGK 1

    Flash Point(F)

    Not applicable

    Flash Point(C)

    Not applicable