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71948

Sigma-Aldrich

Sodium selenate

purum p.a., ≥98.0% (T)

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Linear Formula:
Na2SeO4
CAS Number:
Molecular Weight:
188.94
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

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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1 of 4

This Item
S0882S8295S9133
Sodium selenate purum p.a., ≥98.0% (T)

Sigma-Aldrich

71948

Sodium selenate

-
Sodium selenate ≥95% (elemental analysis)

Sigma-Aldrich

S0882

Sodium selenate

-
Sodium selenate BioXtra

Sigma-Aldrich

S8295

Sodium selenate

-
Sodium selenite γ-irradiated, lyophilized powder, BioXtra, suitable for cell culture

Sigma-Aldrich

S9133

Sodium selenite

Premium Grade
assay

≥98.0% (T)

assay

≥95% (elemental analysis)

assay

-

assay

≥97.0%

form

powder or crystals

form

powder or crystals

form

powder

form

lyophilized powder

pH

5.5-7.5 (25 °C, 18.9 g/L)

pH

5.5-7.5 (25 °C, 18.9 g/L)

pH

5.5-7.5 (25 °C, 18.9 g/L)

pH

-

anion traces

chloride (Cl-): ≤1000 mg/kg

anion traces

-

anion traces

chloride (Cl-): ≤0.05%, sulfate (SO42-): ≤0.1%

anion traces

-

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

cation traces

-

cation traces

Al: ≤0.0005%, Ca: ≤0.005%, Cu: ≤0.0005%, Fe: ≤0.0005%, K: ≤0.02%, Mg: ≤0.0005%, NH4+: ≤0.05%, Pb: ≤0.001%, Zn: ≤0.0005%

cation traces

-

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. 1 Inhalation - Acute Tox. 1 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


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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)
Maria Łabanowska et al.
Journal of plant physiology, 169(3), 275-284 (2011-12-14)
Biochemical analyses of antioxidant content were compared with measurements of fluorescence and electron paramagnetic resonance (EPR) to examine the alteration of radicals in wheat seedlings exposed to 2 days of selenium stress. Two genotypes of Polish and one of Finnish
M Djanaguiraman et al.
Plant physiology and biochemistry : PPB, 48(12), 999-1007 (2010-10-19)
Oxidative stress is commonly induced when plants are grown under high temperature (HT) stress conditions. Selenium often acts as an antioxidant in plants; however, its role under HT-induced oxidative stress is not definite. We hypothesize that selenium application can partly
Soumaya Ghodbane et al.
Toxicology and industrial health, 27(10), 949-955 (2011-04-21)
In the present study, we evaluate the effect of the co-exposure to static magnetic field (SMF) and selenium (Se) on the antioxidant vitamins A and E levels and some other parameters of oxidative stress in rat. Sub-acute exposure of male

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