SX0785
Sulfito de sodio
anhydrous, Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS
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Fórmula lineal:
Na2SO3
Número CAS:
Peso molecular:
126.04
UNSPSC Code:
12352302
EC Index Number:
231-821-4
MDL number:
Assay:
≥98.0% (iodometric)
Grade:
ACS reagent
Form:
powder
Solubility:
220 g/L
Servicio técnico
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Permítanos ayudarleQuality Segment
grade
ACS reagent
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
Application
- Comparative Studies of Organic Contaminant Removal in Different Calcium Sulfite-Enhanced Oxidant/Fe(II) Systems: This research explores the effectiveness of sodium sulfite in enhancing the removal of organic contaminants through various oxidant systems. (Zhou et al., 2023).
- Review of Traditional and Emerging Residual Chlorine Quenchers on Disinfection By-Products: Focuses on the role of sodium sulfite as a residual chlorine quencher in water treatment processes, analyzing its impact on reducing harmful by-products and enhancing water quality (Li et al., 2023).
- Boosting the Photoelectrochemical Performance of Bismuth Vanadate Photoanode Through Homojunction Construction: Investigates how sodium sulfite can improve the photoelectrochemical properties of bismuth vanadate, significant for renewable energy applications, particularly in solar energy conversion (Wang et al., 2023).
- Light-driven Oxidative Demethylation Reaction Catalyzed by a Rieske-type Non-heme Iron Enzyme Stc2: Demonstrates the use of sodium sulfite in enzymatic reactions to achieve oxidative demethylation, which is crucial for synthetic biology and enzyme engineering (Hu et al., 2022).
- Preparation of Nano Disperse Dyes Using Sulfomethylated Lignin: Effects of Sulfonic Group Contents: Highlights the application of sodium sulfite in the preparation of environmentally friendly nano disperse dyes from lignin, emphasizing its potential in sustainable material science (Tang et al., 2023).
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
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
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Clase de almacenamiento
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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