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Merck
CN

799394

Sodium bisulfite

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

Synonym(s):

Sodium hydrogensulfite

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About This Item

Empirical Formula (Hill Notation):
NaHSO3
CAS Number:
Molecular Weight:
104.06
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.21
Grade:
ACS reagent, anhydrous
Form:
powder
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Quality Level

grade

ACS reagent, anhydrous

product line

Redi-Dri

form

powder

quality

free-flowing

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%

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

General description

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.

Legal Information

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


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pictograms

Exclamation mark

signalword

Warning

hcodes

Hazard Classifications

Acute Tox. 4 Oral

supp_hazards

Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

危险化学品

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Articles

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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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



Global Trade Item Number

SKUGTIN
799394-100G04061832564852
799394-2.5KG04061832974118
799394-1KG04061832974101
799394-500G04061832974125