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Safety Information

71948

Sigma-Aldrich

Sodium selenate

purum p.a., ≥98.0% (T)

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About This Item

Linear Formula:
Na2SeO4
CAS Number:
Molecular Weight:
188.94
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.21
Assay:
≥98.0% (T)
form:
powder or crystals

grade

purum p.a.

Quality Level

Assay

≥98.0% (T)

form

powder or crystals

pH

5.5-7.5 (25 °C, 18.9 g/L)

anion traces

chloride (Cl-): ≤1000 mg/kg

cation traces

Ca: ≤200 mg/kg
Cd: ≤50 mg/kg
Co: ≤50 mg/kg
Cu: ≤50 mg/kg
Fe: ≤50 mg/kg
K: ≤1000 mg/kg
Ni: ≤50 mg/kg
Pb: ≤50 mg/kg
Zn: ≤50 mg/kg

SMILES string

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

InChI

1S/2Na.H2O4Se/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2

InChI key

MHQOTKLEMKRJIR-UHFFFAOYSA-L

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Related Categories

General description

Sodium selenite (Na2SeO4) is a selenium (VI) salt.

Application

Sodium selenite (Na2SeO4) may be employed as a catalyst during the green protocol for synthesis of tetrahydrobenzo[b]pyran derivatives.

Signal Word

Danger

Hazard Classifications

Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Skin Irrit. 2 - STOT RE 2

Storage Class Code

6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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.

PDSCL

Poisonous substance

PRTR

Class I Designated Chemical Substances

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

71948-100G:4548173178875
71948-VAR:
71948-BULK:
71948-48.5KG:4548173178882
71948-VAR-D:
71948-500G:4548173178899


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Biological and chemical investigation of Allium cepa L. response to selenium inorganic compounds.
Michalska-Kacymirow M, et al.
Analytical and Bioanalytical Chemistry, 406(15), 3717-3722 (2015)
Sodium selenate catalyzed simple and efficient synthesis of tetrahydro benzo [b] pyran derivatives.
Hekmatshoar R, et al.
Catalysis Communications, 9(2), 307-310 (2008)
W C Stewart et al.
Journal of animal science, 90(2), 577-584 (2011-10-04)
Adequate Se transfer from ewes to lambs is important to prevent Se-deficiency diseases. To evaluate how different chemical forms of Se administered at comparative dosages to mature ewes affect Se status of their lambs, 240 ewes were divided into 8
Janet van Eersel et al.
Proceedings of the National Academy of Sciences of the United States of America, 107(31), 13888-13893 (2010-07-21)
Alzheimer's disease (AD) brains are characterized by amyloid-beta-containing plaques and hyperphosphorylated tau-containing neurofibrillary tangles (NFTs); however, in frontotemporal dementia, the tau pathology manifests in the absence of overt amyloid-beta plaques. Therapeutic strategies so far have primarily been targeting amyloid-beta, although
J A Hall et al.
Journal of animal science, 90(2), 568-576 (2011-10-04)
Although the essentiality of dietary Se for sheep has been known for decades, the chemical source and Se dosage for optimal health remain unclear. In the United States, the Food and Drug Administration (FDA) regulates Se supplementation, regardless of the

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