Merck
CN

229857

Sigma-Aldrich

亚硒酸

99.999% trace metals basis

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别名:
亚硒酸
线性分子式:
H2SeO3
CAS号:
分子量:
128.97
EC 号:
MDL编号:
PubChem化学物质编号:
NACRES:
NA.23

质量水平

检测方案

99.999% trace metals basis

形式

solid

mp

70 °C (dec.) (lit.)

密度

3.004 g/mL at 25 °C (lit.)

SMILES string

O[Se](O)=O

InChI

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

InChI key

MCAHWIHFGHIESP-UHFFFAOYSA-N

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此商品
S5261211176247626
Selenous acid 99.999% trace metals basis

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229857

亚硒酸

-
Sodium selenite BioReagent, suitable for cell culture, ≥98%

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S5261

亚硒酸钠

-
Selenous acid 98%

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211176

亚硒酸

-
Sulfur dioxide solution ACS reagent, ≥6%

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247626

二氧化硫 溶液

Essential Grade
form

solid

form

powder

form

solid

form

liquid

mp

70 °C (dec.) (lit.)

mp

>350 °C (lit.)

mp

70 °C (dec.) (lit.)

mp

-

density

3.004 g/mL at 25 °C (lit.)

density

-

density

3.004 g/mL at 25 °C (lit.)

density

1.03 g/mL at 25 °C (lit.)

一般描述

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。

包装

玻璃瓶封装

警示用语:

Danger

危险分类

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

储存分类代码

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

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

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

法规信息

危险化学品

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转铁蛋白 人

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
M Rizki et al.
Environmental and molecular mutagenesis, 37(1), 70-75 (2001-02-15)
The genotoxic activity of three selenium compounds (sodium selenite, sodium selenate, and selenious acid) and the antigenotoxic effects of sodium selenite in combination with the chromium compound potassium dichromate were studied using the wing spot test of Drosophila melanogaster. This

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