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Sodium metabisulfite

SIGALD/S9000 - ReagentPlus®, ≥99%

Synonym: Sodium disulfite; Sodium pyrosulfite

CAS Number: 7681-57-4
Empirical Formula (Hill Notation): Na2O5S2
Molecular Weight: 190.11
EC Number: 231-673-0
MDL Number: MFCD00167602
Linear Formula: Na2S2O5
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-S9000-500G 500 g
 $44.00
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45-S9000-1KG 1 kg
 $61.60
1/EA		 Add To Favorites
45-S9000-5KG 5 kg
 $149.00
1/EA		 Add To Favorites
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.

This image depicts SKU: S9000-500G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.

This image depicts SKU: S9000-1KG

 

assay ≥99%
form powder
InChI 1S/2Na.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2
InChI key HRZFUMHJMZEROT-UHFFFAOYSA-L
mp >300 °C (lit.)
pH 4.5 (20 °C, 50 g/L)
product line ReagentPlus®
Quality Level 200 
SMILES string [Na+].[Na+].[O-]S(=O)S([O-])(=O)=O
Application:

  • Sickle Erythrocyte Health Index: Discusses the use of sodium metabisulfite in stabilizing red blood cells for advanced computational analysis, crucial for the diagnosis and management of sickle cell disease (Ansong-Ansongton YON, Adamson TD, 2024 ).

  • Chemical and Thermal Treatment for Drying Cassava Tubers: Explores sodium metabisulfite′s role in enhancing the drying process of cassava, focusing on optimizing microstructure and dehydration kinetics, which is vital for food preservation and processing (Nainggolan EA, Banout J, Urbanova K, 2023 ).

  • Anionic Bio-flocculants from Sugarcane: Discusses the development of bio-flocculants using sodium metabisulfite for the purification of sucrose, demonstrating its potential in enhancing the sustainability of sugar processing industries (Leão S, Magalhães S, et al., 2023 ).
Legal Information: ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany
Other Notes: As a solid, this product is sodium metabisulfite, Na2S2O5. Dissolved in water, it yields NaHSO3.
Packaging: 1 kg in poly bottle
Packaging: 5 kg in poly drum
Packaging: 500 g in poly bottle
Purity ≥99%
mp >300 °C (lit.)
UNSPSC 12352300

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