science-softCon uv/vis+ photochemistry database;	www.photochemistry.org; (C) science-softCon 2022

Substance: methacrolein oxide				Other Names:

Formula: C4H6O2; C(CH3)=CH2)CHOO			CAS-No.: 	PubChem:

Study: UV absorption spectrum, quantum yield

                
Authors: M.F. Vansco, B. Marchetti, N. Trongsiriwat, T. Bhagde, G. Wang, P.J. Walsh, S.J. Klippenstein, M.I. Lester

Title: Synthesis, electronic spectroscopy, and photochemistry of methacrolein oxide: A four-carbon unsaturated Criegee intermediate from isoprene ozonolysis

Journal/Source: J. Am. Chem. Soc., 141, 38, 15058–15069, (2019); https://doi.org/10.1021/jacs.9b05193


Data: table, diagram

Energy/Wavelength range: 315 - 500 nm

Resolution: 

Temperature: 298 K

Temperature dependence: no

Pressure/Concentration:

Phase: gas

pH:


Comments: The spectrum in the range 315-500 nm was broad with structured at wavelengths > 400 nm with a maximum at 380 nm which was estimated to be 
approximately 3 × 10-18 cm2 molecule-1. The quantum yield is estimated to be 1.0 for 315 < lambda < 500 nm.