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799394

Sigma-Aldrich

Sodium bisulfite

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

Synonyme(s) :

Sodium hydrogensulfite

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About This Item

Formule empirique (notation de Hill):
NaHSO3
Numéro CAS:
7631-90-5
Poids moléculaire :
104.06
Code UNSPSC :
12352302
ID de substance PubChem :
24854644
Nomenclature NACRES :
NA.21

Qualité

ACS reagent
anhydrous
free-flowing

Niveau de qualité

100

Gamme de produits

Redi-Dri™

Forme

powder

Concentration

≥58.5% SO2

Impuretés

≤0.005% insolubles

pH

4.3 (10 g/L)

Traces d'anions

chloride (Cl-): ≤0.02%

Traces de cations

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

Chaîne SMILES 

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

InChI

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

Clé InChI

DWAQJAXMDSEUJJ-UHFFFAOYSA-L

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Catégories apparentées

Description générale

Sodium bisulfite is an inorganic sodium salt commonly used as a pH adjuster and reductant. It is used as a cheap catalyst for the formation of C-O and C-C bond.

Informations légales

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

Pictogrammes

Exclamation mark
GHS07

Mention d'avertissement

Warning

Mentions de danger

H302

Classification des risques

Acute Tox. 4 Oral

Risques supp

EUH031

Code de la classe de stockage

13 - Non Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 1

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Certificats d'analyse (COA)

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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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Articles

Redi-Dri™ – The World of Free-flowing Hygroscopic Products

Redi-Dri™ prevents hygroscopic powders, such as inorganic salts, from absorbing moisture and forming clumps, leaving the salts free-flowing every time.

Redi-Dri™ – The World of Free-flowing Hygroscopic Products

Redi-Dri™ prevents hygroscopic powders, such as inorganic salts, from absorbing moisture and forming clumps, leaving the salts free-flowing every time.

Redi-Dri™ – The World of Free-flowing Hygroscopic Products

Redi-Dri™ prevents hygroscopic powders, such as inorganic salts, from absorbing moisture and forming clumps, leaving the salts free-flowing every time.

Redi-Dri™ – The World of Free-flowing Hygroscopic Products

Redi-Dri™ prevents hygroscopic powders, such as inorganic salts, from absorbing moisture and forming clumps, leaving the salts free-flowing every time.

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