799394

Sigma-Aldrich

Sodium bisulfite

anhydrous, free-flowing, Redi-Dri, ACS reagent

Synonym(s):
Sodium hydrogensulfite
Empirical Formula (Hill Notation):
NaHSO3
CAS Number:
Molecular Weight:
104.06
PubChem Substance ID:
NACRES:
NA.21

Quality Level

grade

ACS reagent
anhydrous

product line

Redi-Dri

assay

≥58.5% (SO2)

form

powder

quality

free-flowing

impurities

≤0.005% insolubles

pH

4.3 (10 g/L)

anion traces

chloride (Cl-): ≤0.02%

cation traces

Fe: ≤0.002%
heavy metals (as Pb): ≤0.001%

SMILES string

[Na+].OS([O-])=O

InChI

1S/Na.H2O3S/c;1-4(2)3/h;(H2,1,2,3)/q+1;/p-2

InChI key

DWAQJAXMDSEUJJ-UHFFFAOYSA-L

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Packaging

1, 2.5 kg in poly bottle
100, 500 g in poly bottle

Legal Information

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

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Precautionary Statements

Supp Hazards

EUH031

WGK Germany

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis
Certificate of Origin
Hamid Mostafavi Abdolmaleky et al.
Methods in molecular biology (Clifton, N.J.), 448, 187-212 (2008-03-29)
Although there is evidence to link schizophrenia (SCZ) and bipolar disorder (BD) to genetic and environmental factors, specific individual or groups of genes/factors causative of the disease have been elusive to the research community. An understanding of the molecular aberrations...
Synthesis of two new arsenolipids and their identification in fish.
Arroyo-Abad U, et al.
European Journal of Lipid Science and Technology, 118(3), 445-452 (2015)
Li-Hui Wang et al.
Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc, 19(5), 675-683 (2006-03-11)
The hedgehog (Hh) signaling pathway plays an important role in foregut development, and its activity is increased in various tumors, including those of the digestive tract. Our objective in the present study was to determine the pattern and extent of...
Wei Zhou et al.
Journal of Korean medical science, 24(1), 97-103 (2009-03-10)
Epithelial membrane protein 3 (EMP3) is a trans-membrane signaling molecule with important roles in the regulation of apoptosis, differentiation and invasion of cancer cells, but the detailed is largely still unknown. We analyzed the mRNA levels and methylation statuses of...
Shuang-Qing Zhang et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 880(1), 163-167 (2011-12-02)
A liquid chromatography-tandem mass spectrometry method for the determination of andrographolide sodium bisulphite (ASB) in rat urine was established and validated. To our knowledge, the analytical method is the first developed assay for the determination of ASB in urine samples....

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