Description
A water-soluble azo compound used extensively as a free radical generator
Formal name: 2,2′-azobis-2-methyl-propanimidamide, dihydrochloride
Synonyms:
Molecular weight: 271.2
CAS: 2997-92-4
Purity: ≥98%
Formulation: A crystalline solid
AAPH – 5 g
Brand:
Cayman
CAS:
2997-92-4
Storage:
-20
UN-No:
Excepted Quantity - 3088 / 4.2
AAPH is a water-soluble azo compound which is used extensively as a free radical generator, often in the study of lipid peroxidation and the characterization of antioxidants.{6422,7745,9407,9459} Decomposition of AAPH produces molecular nitrogen and 2 carbon radicals. The carbon radicals may combine to produce stable products or react with molecular oxygen to give peroxyl radicals. The half-life of AAPH is about 175 hours (37°C at neutral pH), making the rate of free radical generation essentially constant during the first several hours in solution.{9745} While AAPH may be used effectively for lipid peroxidation in aqueous dispersions of fatty acids, other radical generators may be better suited for peroxidation studies in lipid micelles or membranes.{9746,8841}
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