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13471

Sigma-Aldrich

Sodium sulfite

puriss., meets analytical specification of Ph. Eur., BP, NF, anhydrous, 95.0-100.0% (iodometric)

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About This Item

Linear Formula:
Na2SO3
CAS Number:
7757-83-7
Molecular Weight:
126.04
EC Number:
231-821-4
MDL number:
MFCD00003503
UNSPSC Code:
12352302
PubChem Substance ID:
329750185
NACRES:
NA.22

grade

puriss.

Assay

95.0-100.0% (iodometric)

form

solid

quality

meets analytical specification of Ph. Eur., BP, NF

impurities

residual solvents, complies
≤0.001% heavy metals (as Pb)
≤0.05% thiosulfate (S2O3)

pH

9.0-10.5 (25 °C, 126 g/L)

anion traces

chloride (Cl-): ≤200 mg/kg

cation traces

Fe: ≤10 mg/kg
Se: ≤10 mg/kg
Zn: ≤10 mg/kg

suitability

complies for appearance of solution

SMILES string

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

InChI

1S/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2

InChI key

GEHJYWRUCIMESM-UHFFFAOYSA-L

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Supplementary Hazards

EUH031

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Ben M Goff et al.
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A novel sulfur-utilizing perchlorate reducing bacterial consortium successfully treated perchlorate (ClO₄⁻) in prior batch and bench-scale packed bed reactor (PBR) studies. This study examined the scale up of this process for treatment of water from a ClO ₄⁻ and RDX contaminated
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In the current study, we examined the expression level of glyceraldehyde-3-phosphate dehydrogenase (GAPDH) protein in a number of organisms and the stability of GAPDH under various conditions. Our results revealed that GAPDH is present in multiple Escherichia coli strains, the
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Bioresource technology, 126, 336-340 (2012-11-06)
Agave americana is one of commonly grown agave species but currently less valuable because its large flower stalk cannot be used for producing alcoholic beverage. In the present study, the stalk was pretreated with dilute acid (DA), sulfite (SPORL), and
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PloS one, 7(10), e48177-e48177 (2012-11-03)
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