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541281

Sigma-Aldrich

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
MDL number:
MFCD03093983
UNSPSC Code:
12352100
PubChem Substance ID:
24878530
NACRES:
NA.22

Quality Level

100

assay

95%

mp

128-132 °C (lit.)

SMILES string

C[Se](O)=O

InChI

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

InChI key

UEQANLFPOFICBH-UHFFFAOYSA-N

Related Categories

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.

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.

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_germany

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
MKCF3654
MKBF9945V
MKAA4638
07319BJ
13505LI

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