243973
Sodium bisulfite
ACS reagent
Synonyme(s) :
Sodium hydrogensulfite
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A propos de cet article
Formule empirique (notation de Hill) :
NaHSO3
Numéro CAS:
Poids moléculaire :
104.06
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.21
Grade:
ACS reagent
Form:
powder or crystals
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[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
grade
ACS reagent
form
powder or crystals
concentration
≥58.5% SO2
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%
Quality Level
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Catégories apparentées
General description
Sodium bisulfite is a widely used industrial chemical as a reducing agent, catalyst, and preservative in pharmaceuticals and foods due to its antioxidative and antibacterial effects.
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.
It can also be used as a reagent during the synthesis of 5,6-dihydrouracil-6-sulfonate.
Sodium bisulfite can be used as:
- A reagent to synthesize aldehyde-bisulfite adducts from aromatic and aliphatic aldehydes.
- A catalyst in the solvent-free etherification of aromatic/aliphatic alcohols to synthesize symmetric and unsymmetric ethers via intermolecular dehydration.
- An additive in the copper-catalyzed homocoupling of ketoxime carboxylates to synthesize symmetrical pyrroles.
Disclaimer
The product is not intendedfor use as a biocide under global biocide regulations, including but notlimited to the US EPA′s Federal Insecticide Fungicide and Rodenticide Act, theEuropean Biocidal Products Regulation, Canada’s Pest Management RegulatoryAgency, Turkey’s Biocidal Products Regulation, Korea’s Consumer ChemicalProducts and Biocide Safety Management Act (K-BPR), and others.
signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Oral
supp_hazards
Classe de stockage
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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