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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
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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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


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