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Merck
CN

211176

亚硒酸

98%

别名:

亚硒酸

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关于此项目

线性分子式:
H2SeO3
化学文摘社编号:
分子量:
128.97
UNSPSC Code:
12352301
PubChem Substance ID:
NACRES:
NA.22
EC Number:
231-974-7
MDL number:
Assay:
98%
Form:
solid
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Quality Level

assay

98%

form

solid

mp

70  °C ((lit.)), 70 °C (dec.) (lit.)

solubility

water: 50 mg/mL

density

3.004  g/mL at 25 °C ((lit.)), 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

Application

硒酸可作为一种试剂,以:
  • 在三氟化α-三氟化硼醚酸盐作为催化剂存在下与苯乙酮和三乙基乙二甲酸盐反应生成酮缩醛.
  • 作为一种溶剂,4-甲酰基-7-甲基香豆素在二甲苯存在的情况下使用4,7-二甲基香豆素。
  • 从2,3-二氯喹喔啉获得硒取代喹喔啉衍生物。


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signalword

Danger

Hazard Classifications

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

存储类别

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

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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

法规信息

危险化学品

此项目有



历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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One-pot synthesis of alpha-ketoacetals from aryl methyl ketones in the presence of selenous acid catalyzed by boron trifluoride etherate
Kharkongor I, et al.
Tetrahedron Letters, 56, 4359-4362 (2015)
D Seidel et al.
Journal of clinical chemistry and clinical biochemistry. Zeitschrift fur klinische Chemie und klinische Biochemie, 16(7), 407-411 (1978-07-01)
A simple one-vial-method was developed for the quantitative determination of sphingomyelinase activity in human leukocytes and urine, using [14C-methyl] sphingomyelin. The measured activities of healthy control persons show a higher scatter in (n=50) urine (1.2 +/- 0.5 nmol/h . ml
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



全球贸易项目编号

货号GTIN
211176-10G04061838771605
211176-250G04061838771612
211176-50G04061838771629