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13471

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
NACRES:
NA.22
PubChem Substance ID:
329750185
UNSPSC Code:
12352302
EC Number:
231-821-4
MDL number:
MFCD00003503
Assay:
95.0-100.0% (iodometric)
Form:
solid
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Quality Level

100

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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supp_hazards

EUH031

flash_point_f

Not applicable

flash_point_c

Not applicable

Storage Class

11 - Combustible Solids

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

13471-25KG-H: + 13471-2.5KG-R: + 13471-6X2.5KG-R: + 13471-BULK-R: + 13471-VAR-R: + 13471-6X1KG-R: + 13471-1KG-R:

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Certificates of Analysis (COA)

Lot/Batch Number
STBK9566
STBL4780
STBK8585
STBK5651
STBK5131

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Amber R Boles et al.
Biotechnology and bioengineering, 109(3), 637-646 (2011-10-22)
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
Yonghong Wu et al.
Analytical biochemistry, 423(1), 15-22 (2012-02-14)
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
Ben M Goff et al.
Journal of the science of food and agriculture, 92(4), 751-758 (2011-11-19)
A variety of methods have been developed for estimating lignin concentration within plant materials. The objective of this study was to compare the lignin concentrations produced by six methods on a diverse population of forage and biomass materials and to
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