243973

Sigma-Aldrich

Sodium bisulfite

ACS reagent

Synonym(s):
Sodium hydrogensulfite
Empirical Formula (Hill Notation):
NaHSO3
CAS Number:
Molecular Weight:
104.06
PubChem Substance ID:
NACRES:
NA.21
Pricing and availability is not currently available.

Quality Level

grade

ACS reagent

assay

≥58.5% (SO2)

form

powder or crystals

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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General description

The aqueous solutions of sodium bisulfite are acidic in nature. Degradation of sodium bisulfite with acid forms sulfur dioxide gas.

Application

Sodium bisulfite (NaHSO3) has been used as a reagent to compose the immunoprecipitation (IP) buffer to chemically modify DNA and to synthesize arsenolipids (AsL).
It can also be used as a reagent during the synthesis of 5,6-dihydrouracil-6-sulfonate.

Packaging

5, 100, 500 g in poly bottle
1, 2.5 kg in poly bottle
12 kg in poly drum

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
Ledgard J.
The Preparatory Manual of Explosives., 87-87 (2007)
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)
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...
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...
Katja Biewusch et al.
Methods in molecular biology (Clifton, N.J.), 863, 273-280 (2012-02-24)
Pancreatic ductal adenocarcinoma (PDAC) is an aggressive tumor and still remains a challenge for its lack of effective therapeutic strategies, which is due to the late diagnosis of this disease. Methylation markers might improve early detection and surveillance of PDAC....

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