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13471

Sigma-Aldrich

Natriumsulfit

puriss., meets analytical specification of Ph. Eur., BP, NF, anhydrous, 95.0-100.0% (iodometric)

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About This Item

Lineare Formel:
Na2SO3
CAS-Nummer:
7757-83-7
Molekulargewicht:
126.04
EG-Nummer:
231-821-4
MDL-Nummer:
MFCD00003503
UNSPSC-Code:
12352302
PubChem Substanz-ID:
329750185
NACRES:
NA.22

Qualitätsniveau

100

Qualität

puriss.
meets analytical specification of Ph. Eur., BP, NF

Assay

95.0-100.0% (iodometric)

Form

solid

Verunreinigungen

residual solvents, complies
≤0.001% heavy metals (as Pb)
≤0.05% thiosulfate (S2O3)

pH-Wert

9.0-10.5 (25 °C, 126 g/L)

Anionenspuren

chloride (Cl-): ≤200 mg/kg

Kationenspuren

Fe: ≤10 mg/kg
Se: ≤10 mg/kg
Zn: ≤10 mg/kg

Eignung

complies for appearance of solution

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

InChIKey

GEHJYWRUCIMESM-UHFFFAOYSA-L

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Zusätzliche Gefahrenhinweise

EUH031

Lagerklassenschlüssel

13 - Non Combustible Solids

WGK

WGK 1

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Analysenzertifikate (COA)

Suchen Sie nach Analysenzertifikate (COA), indem Sie die Lot-/Chargennummer des Produkts eingeben. Lot- und Chargennummern sind auf dem Produktetikett hinter den Wörtern ‘Lot’ oder ‘Batch’ (Lot oder Charge) zu finden.

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