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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

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.

Signal Word

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 Code

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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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