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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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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)
Reaction of sodium bisulfite with uracil, cytosine, and their derivatives.
H Hayatsu et al.
Biochemistry, 9(14), 2858-2865 (1970-07-07)
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
Ja-Lok Ku et al.
Methods in molecular biology (Clifton, N.J.), 791, 23-32 (2011-09-14)
DNA methylation patterns in CpG-rich regions of promoter, CpG islands, are concerned in regulation of gene expression in mammalian cells. Excessive methylation of CpG dinucleotides in promoter represses the gene expression. In cancer, especially, gene silencing is occurred through aberrant
Sarah H Taylor et al.
BioTechniques, 52(4), 254-262 (2012-04-10)
RNA silencing has been exploited to produce transgenic plants with resistance to viral pathogens via posttranscriptional gene silencing (PTGS). In some cases, this technology is difficult to apply due to the instability of inverted repeat (IR) constructs during cloning and
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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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