213004

Benzeneseleninic acid

99%

• Linear Formula: C₆H₅SeO₂H
• CAS Number: 6996-92-5
• Molecular Weight: 189.07
• Beilstein/REAXYS Number: 1929765
• EC Number: 230-271-2
• MDL number: MFCD00002100
• UNSPSC Code: 12352100
• PubChem Substance ID: 24852762
• NACRES: NA.22

Properties

• Quality Level: 100
• assay: 99%
• form: solid
• mp: 121-124 °C (lit.)
• SMILES string: O[Se](=O)c1ccccc1
• InChI: 1S/C6H6O2Se/c7-9(8)6-4-2-1-3-5-6/h1-5H,(H,7,8)
• InChI key: WIHKGDVGLJJAMC-UHFFFAOYSA-N

Description

General description

Benzeneseleninic acid oxidizes hydrazine or 1,2-disubstituted derivatives to corresponding diazenes.

Application

Benzeneseleninic acid was used as catalyst during the oxidation of sulfides to sulfoxides via ligand coupling on the iodine atom. It was also used in the preparation of 3-methoxy-17a-oxa-D-homoestra-l,3,5(10)-trien-17-one.

Safety Information

• pictograms: GHS06,GHS08,GHS09
• signalword: Danger
• hcodes: H301 + H331,H373,H410
• pcodes: P260 - P264 - P273 - P301 + P310 - P304 + P340 + P311 - P314
• Hazard Classifications: Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - STOT RE 2
• Storage Class: 6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: dust mask type N95 (US), Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges