71948
硒酸钠
purum p.a., ≥98.0% (T)
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线性分子式:
Na2SeO4
化学文摘社编号:
分子量:
188.94
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
236-501-8
MDL number:
Assay:
≥98.0% (T)
Form:
powder or crystals
InChI key
MHQOTKLEMKRJIR-UHFFFAOYSA-L
InChI
1S/2Na.H2O4Se/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2
SMILES string
[Na+].[Na+].[O-][Se]([O-])(=O)=O
grade
purum p.a.
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
Quality Level
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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.
signalword
Danger
Hazard Classifications
Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Skin Irrit. 2 - STOT RE 2
存储类别
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
法规信息
剧毒化学品
危险化学品
此项目有
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
Beatrice Pezzarossa et al.
Journal of the science of food and agriculture, 92(4), 781-786 (2011-09-29)
We investigated the effects of the foliar and fruit application of sodium selenate on selenium (Se) accumulation, fruit growth and ripening in peach and pear. Trials were conducted in two growing seasons. In 2008 selenate was applied at a rate
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
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