71948
硒酸钠
purum p.a., ≥98.0% (T)
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关于此项目
线性分子式:
Na2SeO4
CAS Number:
分子量:
188.94
EC 号:
MDL编号:
UNSPSC代码:
12352302
PubChem化学物质编号:
NACRES:
NA.21
等级
purum p.a.
质量水平
方案
≥98.0% (T)
表单
powder or crystals
pH值（酸碱度）
5.5-7.5 (25 °C, 18.9 g/L)
痕量阴离子
chloride (Cl-): ≤1000 mg/kg
痕量阳离子
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字符串
[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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一般描述
Sodium selenite (Na2SeO4) is a selenium (VI) salt.
应用
Sodium selenite (Na2SeO4) may be employed as a catalyst during the green protocol for synthesis of tetrahydrobenzo[b]pyran derivatives.
警示用语：
Danger
危险分类
Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Skin Irrit. 2 - STOT RE 2
储存分类代码
6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
WGK
WGK 2
闪点(°F)
Not applicable
闪点(°C)
Not applicable
法规信息
危险化学品
剧毒化学品
Sodium selenate catalyzed simple and efficient synthesis of tetrahydro benzo [b] pyran derivatives.
Hekmatshoar R, et al.
Catalysis Communications, 9(2), 307-310 (2008)
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)
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
Alexandra Holmstrom et al.
The Journal of nutritional biochemistry, 23(9), 1086-1091 (2011-12-06)
The inhibitory effect of oral methylseleninic acid or methylselenocysteine administration on cancer cell xenograft development in nude mice is well characterized; however, less is known about the efficacy of selenate and age on selenium chemoprevention. In this study, we tested
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