Phthalates and non-phthalate plasticizers in Tunisian marine samples: Occurrence, spatial distribution and seasonal variation was written by Jebara, Amel;Albergamo, Ambrogina;Rando, Rossana;Potorti, Angela Giorgia;Lo Turco, Vincenzo;Mansour, Hedi Ben;Di Bella, Giuseppa. And the article was included in Marine Pollution Bulletin in 2021.Computed Properties of C20H26O4 This article mentions the following:
Seawater, sediment, seagrass and fish from several sites along the Tunisian coast were monitored for several phthalate esters (PAEs) and non-phthalate plasticizers (NPPs) during 2018-2019. In water and sediment, NPPs were higher than PAEs, being di(2-ethylhexyl) phthalate (DEHP, 0.0717 and 4.59娓璯/g), and di(2-ethylhexyl) terephthalate (DEHT, 0.634 and 2.42娓璯/g) most abundant. As expected, sediments acted as a sink for plasticizers, thus revealing a stronger contamination than water. Seagrass was less contaminated than fish, being DEHP (0.726 and 1.77娓璯/g) and DEHT (9.19 and 23.2娓璯/g) predominant. Biota poorly concductivity/accumulated plasticizers from water and sediment depending on the logKoct/wat and water solubility of single congeners. The spatial distribution of plasticizers was affected by the proximity to anthropogenic sources and the rate of coastal currents; whereas their seasonal variation may be related to the length of time of touristic/industrial inputs and factors such as rainfall and urban stormwater runoff. In the experiment, the researchers used many compounds, for example, Dicyclohexyl phthalate (cas: 84-61-7Computed Properties of C20H26O4).
Dicyclohexyl phthalate (cas: 84-61-7) belongs to esters. Esters are also usually derived from carboxylic acids. It may also be obtained by reaction of acid anhydride or acid halides with alcohols or by the reaction of salts of carboxylic acids with alkyl halides. Because of their lack of hydrogen-bond-donating ability, esters do not self-associate. Consequently, esters are more volatile than carboxylic acids of similar molecular weight.Computed Properties of C20H26O4
Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics