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Merck
CN

541281

Methaneseleninic acid

95%

Synonym(s):

Methylseleninic acid

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About This Item

Linear Formula:
CH3SeO2H
CAS Number:
28274-57-9
Molecular Weight:
127.00
NACRES:
NA.22
PubChem Substance ID:
24878530
UNSPSC Code:
12352100
MDL number:
MFCD03093983

Key Documents

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Product Name

Methaneseleninic acid, 95%

InChI

1S/CH4O2Se/c1-4(2)3/h1H3,(H,2,3)

SMILES string

C[Se](O)=O

InChI key

UEQANLFPOFICBH-UHFFFAOYSA-N

assay

95%

mp

128-132 °C (lit.)

Quality Level

100

Related Categories

Application

Methaneseleninic acid may be employed as a ligand in the preparation of lanthanide complexes. It may also be used in the synthesis of a 12-membered macrocycle [(p-MeO-C6H4)2Te(μ-O)-(μ-MeSeO2)(μ4-Cl)]2 by reacting with bis(p-methoxyphenyl)tellurium dichloride.

General description

Methaneseleninic acid is an oxidizing agent useful in organic synthesis. It is formed as major product during the oxidations of γ-glutamyl-Se-methylselenocysteine and Se-methylselenocysteine.

signalword

Danger

Hazard Classifications

Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Corr. 1B - STOT RE 2

Storage Class

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

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Certificates of Analysis (COA)

Lot/Batch Number
MKCZ3968
MKCF3654
MKBF9945V
MKAA4638
07319BJ

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M Kotrebai et al.
Journal of chromatography. A, 866(1), 51-63 (2000-02-19)
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12-Membered Macrocycles Containing Ditelluroxane and Selenotelluroxane Units.
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