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799394

Sigma-Aldrich

Sodium bisulfite

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

Sinónimos:

Sodium hydrogensulfite

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About This Item

Fórmula empírica (notación de Hill):
NaHSO3
Número de CAS:
7631-90-5
Peso molecular:
104.06
UNSPSC Code:
12352302
PubChem Substance ID:
24854644
NACRES:
NA.21

grade

ACS reagent
anhydrous

Quality Level

100

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

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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

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H302

Hazard Classifications

Acute Tox. 4 Oral

supp_hazards

EUH031

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

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Biochemistry, 9(14), 2858-2865 (1970-07-07)
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