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229857

Sigma-Aldrich

亚硒酸

99.999% trace metals basis

同義詞:

亚硒酸

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About This Item

線性公式:
H2SeO3
CAS號碼:
分子量::
128.97
EC號碼:
MDL號碼:
分類程式碼代碼:
12352300
PubChem物質ID:
NACRES:
NA.23

化驗

99.999% trace metals basis

形狀

solid

mp

70 °C (dec.) (lit.)

密度

3.004 g/mL at 25 °C (lit.)

SMILES 字串

O[Se](O)=O

InChI

1S/H2O3Se/c1-4(2)3/h(H2,1,2,3)

InChI 密鑰

MCAHWIHFGHIESP-UHFFFAOYSA-N

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一般說明

亚硒酸是一种二元酸。它是硒的含氧酸,可以通过将二氧化硒气体加入水中而形成。亚硒酸类似于亚硫酸。 作为结晶固体,分子排列成金字塔形,在溶液中表现为二质子酸。

應用

  • 用于设计析氧反应的高反应活性电催化剂的硒酸蚀刻辅助空位工程(vacancy engineering):考察了硒酸在电催化剂的空位工程中的用途(Zhang et al., 2021)。
  • 水性硫酸溶液中硒酸引起的硫堇还原的铕(III)催化剂研究了水性硫酸溶液中硒(IV)还原的动力学和机制 (Fawzy, 2016)。

包裝

高密度聚乙烯(HDPE)的包装

訊號詞

Danger

危險分類

Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - STOT RE 2

儲存類別代碼

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges


分析證明 (COA)

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Ropp RC et al.
Encyclopedia of the Alkaline Earth Compounds null
Thomas G Back et al.
The Journal of organic chemistry, 70(23), 9230-9236 (2005-11-05)
[Reaction: see text]. Several novel organoselenium and tellurium compounds were prepared and evaluated as mimetics of the selenoenzyme glutathione peroxidase, which protects cells from oxidative stress by reducing harmful peroxides with the thiol glutathione. The compounds were tested for catalytic
H Chen et al.
International journal of food microbiology, 18(2), 151-159 (1993-04-01)
Five Salmonella serotypes recovering from heat injury exhibited different kinetics of resuscitation and growth. Exponential growth was reached before full resuscitation. Fully resuscitated cells and uninjured cells at low cell densities exhibited sensitivity when transferred from non-selective media to selective
Thomas G Back et al.
Journal of the American Chemical Society, 124(41), 12104-12105 (2002-10-10)
1,2-Oxaselenolane Se-oxide is a novel cyclic seleninate ester that functions as a remarkably efficient glutathione peroxidase mimetic by catalyzing the reduction of tert-butyl hydroperoxide to tert-butyl alcohol in the presence of benzyl thiol. The seleninate ester can be conveniently generated
Y Kayanoki et al.
Journal of biochemistry, 119(4), 817-822 (1996-04-01)
Selenium-dependent glutathione peroxidase (GPx) plays a protective role in oxidative stress-induced apoptosis. In this study, we demonstrated that MDBK cells, a bovine renal epithelial cell line, exhibited internucleosomal DNA fragmentation characteristic of apoptotic cell death under selenium-deficient conditions with lower

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