Registration Dossier
Registration Dossier
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EC number: 203-561-1 | CAS number: 108-21-4
Endpoint summary
Administrative data
Description of key information
Additional information
The photochemical removal of isopropyl acetate from the troposphere occurs by reaction with hydroxyl radicals. This reaction is the rate-limiting step governing the overall residence time of isopropyl acetate in air. Other processes, such as photolysis, wet deposition (rain-out), and dry deposition (aerosol formation) are not expected to play an important role in the atmospheric removal of isopropyl acetate. The atmospheric half-life of isopropyl acetate has been estimated to be in the range of 3 to 5 days, based on reaction rates with hydroxyl radicals.
The stability of isopropyl acetate in water is pH dependent. At neutral pH (pH 7) the half-life is calculated to be about 2.418 years at 25oC. At pH 8, the hydrolysis half-life decreases to 88.3 days.
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