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V800388

Sigma-Aldrich

Sodium disulfite

AR, 58.5% SO2 basis

Synonym(s):

Sodium metabisulfite, Sodium disulfite, Sodium pyrosulfite

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About This Item

Linear Formula:
Na2S2O5
CAS Number:
7681-57-4
Molecular Weight:
190.11
EC Number:
231-673-0
MDL number:
MFCD00167602
UNSPSC Code:
12352302
PubChem Substance ID:
329829370
grade:
AR
form:
powder

grade

AR

product line

Vetec™

form

powder

concentration

58.5% SO2

pH

4.5 (20 °C, 50 g/L)

mp

>300 °C (lit.)

anion traces

chloride (Cl-): ≤0.02%

cation traces

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

SMILES string

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

InChI

1S/2Na.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2

Inchi Key

HRZFUMHJMZEROT-UHFFFAOYSA-L

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Legal Information

Vetec is a trademark of Merck KGaA, Darmstadt, Germany

Pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

hcodes

H302,H318

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1

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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Certificates of Analysis (COA)

Lot/Batch Number
BGBC1080
BGBB9549

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Nikolett Czipa et al.
Journal of food science and technology, 56(3), 1245-1255 (2019-04-09)
This study investigated the effect of different treatments (centrifugation and filtration; heating; adulteration with sugar syrups, and storage) and collection variables (year and region of the country) on the physicochemical properties of 44 Hungarian acacia honeys. The characteristics measured were
B B Gengenbach et al.
Protein expression and purification, 151, 46-55 (2018-06-13)
Cardiovascular diseases are a prevalent cause of morbidity and mortality especially in industrialized countries. The human phosphatase and actin regulator 1 (PHACTR1) may be involved in such diseases, but its precise regulatory function remains unclear due to the large number
Hiroyasu Takemoto et al.
Biomaterials, 235, 119804-119804 (2020-01-29)
Gemcitabine (GEM) is a powerful anticancer drug for various cancers. However, the anticancer efficacy and the side effects should be addressed for effective therapeutics. To this end, we created a GEM-conjugated polymer (P-GEM) based on cyclic acetal linkage as a
Aniruddha Chatterjee et al.
Nucleic acids research, 40(10), e79-e79 (2012-02-22)
Recent advances in next generation sequencing (NGS) technology now provide the opportunity to rapidly interrogate the methylation status of the genome. However, there are challenges in handling and interpretation of the methylation sequence data because of its large volume and
Yanxia Wu et al.
Plant & cell physiology, 52(10), 1734-1743 (2011-08-11)
Although bisulfite at low concentrations (L-NaHSO₃) has been found to increase the cyclic electron transport around PSI (CET), its regulative mechanism remains unknown. In this work, the role of L-NaHSO₃ (0.1-500 μM) in NAD(P)H dehydrogenase-dependent CET (the NDH pathway) was
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