RT Journal Article
T1 Transformation products of the high-volume production chemicals 1-vinyl-2-pyrrolidinone and 2-piperazin-1-ylethanamine formed by UV photolysis
A1 Sieira Novoa, Benigno José
A1 Rodil Rodríguez, María del Rosario
A1 Cela Torrijos, Rafael
A1 Quintana Álvarez, José Benito
A1 Montes Goyanes, Rosa
K1 PMOCs
K1 PMT chemicals
K1 Photodegradation
K1 High resolution mass spectrometry
AB This work investigates the reaction of 1-vinyl-2-pyrrolidinone (VP) and 2-piperazin-1-yletanamine (PPE) under UV radiation. Both substances are high-volume production chemicals (production >1000 tons/year) widely used in polymers, coatings and a wide array of applications, which have been classified as mobile chemicals and which can then lead to the formation of persistent and mobile transformation products (TPs). Thus, their reaction with UV light was studied by means of liquid chromatography-quadrupole-time-of-flight-mass spectrometry (LC-QTOF-MS). Both compounds presented a high reactivity, the VP quantum yield was 0.28 mol/E; whereas, PPE had a quantum yield notably higher than 1 (16 mol/E). Five and 7 TPs were identified for VP and PPE, respectively. Some of them had been already reported in literature due to sunlight photodegradation or other oxidation processes, but most of them are reported here for the first time. Finally, the acute and chronical toxicity of precursors and TPs were estimated using two quantitative structure-activity relationship (QSAR) software tools which led to some discrepancies in the estimations, pointing to the need for experimental toxicity assays for these compounds
PB Elsevier
SN 0045-6535
YR 2021
FD 2021
LK http://hdl.handle.net/10347/27027
UL http://hdl.handle.net/10347/27027
LA eng
NO B. Sieira et al. Chemosphere 287 (2022) 132394
NO This work was supported by the Water Challenges for a Changing World Joint Program Initiative (Water JPI) Pilot Call (ref. WATERJPI2013 – PROMOTE), funded by the Spanish Ministry of Economy and Competitiveness/Spanish Agencia Estatal de Investigación (refs. JPIW 2013-117, CTM2017-84763-C3-2-R and PID2020-117686RB-C32). We also acknowledge the Galician Council of Culture, Education and Universities (ref. ED431C2021/06). This research has been co-financed by the European Regional Development Fund through the Interreg V-A Spain-Portugal Programme (POCTEP) 2014–2020 (ref. 0725_NOR_WATER_1_P). It only reflects the author's view; thus, Programme authorities are not liable for any use that may be made of the information contained therein.
DS Minerva
RD 4 may 2026