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Merck
CN

71989

亚硫酸钠

puriss. p.a., ACS reagent, anhydrous, ≥98.0% (RT)

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关于此项目

线性分子式:
Na2SO3
化学文摘社编号:
分子量:
126.04
UNSPSC Code:
12352300
PubChem Substance ID:
EC Number:
231-821-4
MDL number:
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grade

ACS reagent, puriss. p.a.

assay

≥98.0% (RT)

solubility

water: soluble 126 g/L at 20 °C

anion traces

chloride (Cl-): ≤50 mg/kg, thiosulfate (S2O32-): ≤200 mg/kg

cation traces

As: ≤0.1 mg/kg, Ca: ≤50 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤200 mg/kg, Mg: ≤20 mg/kg, Mn: ≤5 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Zn: ≤5 mg/kg

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

General description

Sodium sulfite is an inorganic sodium salt. Rapid-mixing method has been proposed to investigate kinetics of the reaction between oxygen and sodium sulfite.

Application

Sodium sulfite may be used in the preparation of wheat gluten films.

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.



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supp_hazards

存储类别

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Gloves



历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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