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Sodium sulfite

anhydrous, Redi-Dri, reagent grade, ≥98%

Linear Formula:
CAS Number:
Molecular Weight:
MDL number:


reagent grade

product line





powder or crystals


9-10.5 (25 °C, 126 g/L)

SMILES string




InChI key


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Legal Information

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

Storage Class Code

13 - Non Combustible Solids



Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

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Certificate of Origin

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More Documents

Quotes and Ordering

Ben M Goff et al.
Journal of the science of food and agriculture, 92(4), 751-758 (2011-11-19)
A variety of methods have been developed for estimating lignin concentration within plant materials. The objective of this study was to compare the lignin concentrations produced by six methods on a diverse population of forage and biomass materials and to
Amber R Boles et al.
Biotechnology and bioengineering, 109(3), 637-646 (2011-10-22)
A novel sulfur-utilizing perchlorate reducing bacterial consortium successfully treated perchlorate (ClO₄⁻) in prior batch and bench-scale packed bed reactor (PBR) studies. This study examined the scale up of this process for treatment of water from a ClO ₄⁻ and RDX contaminated
Fabian Leinisch et al.
Chemical research in toxicology, 24(12), 2217-2226 (2011-10-19)
Nitrone spin traps such as 5,5-dimethyl-1-pyrroline-N-oxide (DMPO) are commonly used for free radical detection. Though proven examples are rare, artifact formation must be considered. For example, the Forrester-Hepburn mechanism yields the same radical adduct as that formed by genuine radical
Jingang Wang et al.
Chemosphere, 91(3), 351-357 (2012-12-26)
This paper presents a simple, easy and reliable method for determination of EDTA (ethylenediaminetetraacetic acid) in aqueous system. Using EDTA chelating with ferric irons, an excessive amount of Fe(3+) was added to EDTA solution, and Fe(3+) in excess was reduced
Thomas Oliphant et al.
Contact dermatitis, 66(3), 128-130 (2012-02-11)
Sulfites are in widespread use as preservatives/antioxidants. There is increasing recognition of allergic contact dermatitis caused by sodium metabisulfite; however, contact allergy to sodium sulfite is less well recognized. We sought to establish the prevalence of positive patch test reactions


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