Bis 2 ethylhexyl phthalate contamination

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August undefined, 2024

WebDEHP is a chemical form of dioctyl phthalate or DOP DEHP has the same core structure as DBP, DIDP and DINP, but has longer, branched side chains attached, each having 8 carbon atoms. DEHP is a colourless oily liquid. It is soluble in fat and not very soluble in water. The same information on Level 1: Summary Level 2: Details Level 3: Source 2. WebBis(2-ethylhexyl) phthalate EC Number: 204-211-0 EC Name: Bis(2-ethylhexyl) phthalate CAS Number: 117-81-7 Molecular formula: C24H38O4 IUPAC Name: 1,2-bis(2-ethylhexyl) benzene-1,2-dicarboxylate Type of Substance Composition: mono-constituent substance Origin: organic ...

Exposure Assessment:Potential for the Presence of …

Di(2-ethylhexyl) phthalate is produced commercially by the reaction of excess 2-ethylhexanol with phthalic anhydride in the presence of an acid catalyst such as sulfuric acid or para-toluenesulfonic acid. It was first produced in commercial quantities in Japan around 1933 and in the United States in 1939. DEHP has two stereocenters, located at the carbon atoms carrying the ethyl gr… WebPhthalates are widely used as additives in a wide range of plastics and other materials that are found in many consumer products. They make plastics, such as PVC, soft and flexible. … chips in lake jackson tx

Phthalate Esters and Their Ecotoxicological Risks from the Rivers …

WebAug 8, 2024 · trimellitic anhydride (TMA). The structure of TOTM is similar to that of di(2-ethylhexyl) phthalate (DEHP), with the exception that TOTM contains a third functionality on the aromatic ring. The presence of three alcohols makes trimellitates significantly more viscous then adipates or phthalates (Hatco, 2008, as cited by Versar, 2010). WebBIS (2-ETHYLHEXYL) ISOPHTHALATE is an ester. Esters react with acids to liberate heat along with alcohols and acids. Strong oxidizing acids may cause a vigorous reaction that … WebBis(2-Ethylhexyl) Phthalate is mainly used as a plasticizer for fabricating flexible materials for many household products. Inhalation, digestion, and dermal contact are the primary … chips inn island resort and casino

NIOSH Pocket Guide to Chemical Hazards - Di-sec octyl phthalate

Phthalate and novel plasticizer concentrations in food items

WebMay 5, 2024 · Chen (2010) compared oxidation of di-(2-ethylhexyl) phthalate (DEHP) by UV/H 2 O 2 and direct UV photolysis and reported 100% removal of DEHP within 180 min via UV/H 2 O 2 treatment and 73.5% removal in 180 min by direct UV photolysis. WebJan 15, 2016 · Bis (2-ethylhexyl) phthalate (DEHP) and di-n-butyl phthalate (DBP) are primary phthalate ester pollutants. Urbanization has increased the discharge of phthalate esters to atmospheric and aquatic environments, and the use of agricultural plastics has exacerbated soil contamination by phthalate esters in rural areas. graphene chargerWebPollution of water bodies with plasticizers is a serious environmental problem worldwide. In this study, we investigated the effects of plasticizers bis-(2-ethylhexyl) phthalate (DEHP) and bis-(2-ethylhexyl) adipate (DEHA) in Japanese medaka (Oryzias latipes). DEHP significantly increased the expres … chips inn walshaw

"Webchemicals to produce mono(2-ethylhexyl)phthalate (MEHP) and 2-ethylhexanol. Many of the properties of MEHP are like those of DEHP, and therefore its fate in the environment is … " - Bis 2 ethylhexyl phthalate contamination

Bis 2 ethylhexyl phthalate contamination

Bis-(2-ethylhexyl) phthalate, an ubiquitous environmental …

Webwhether bis(2-ethylhexyl) phthalate DEHP1 concentrations in sediments could be associated with nearby land 1 Referred to as BEP in report . 2 ... DEHP contamination in stormwater. The Tacoma portion of the study focused on solid materials that had outdoor exposures ( Table 1). High DEHP concentrations were found in serpentine belts, used ... WebHere we determined the potential toxic effects of bis(2-ethylhexyl) phthalate (DEHP) plasticizer to larval (72 h post fertilization) zebrafish (Danio rerio) by analyzing changes in expression levels of stress-related genes (p53, rad51, and xrcc5) by the quantitative real-time polymerase chain reaction. Also, possible DNA damage by DEHP in ...

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WebJan 15, 2016 · Bis (2-ethylhexyl) phthalate (DEHP) and di-n-butyl phthalate (DBP) are primary phthalate ester pollutants. Urbanization has increased the discharge of phthalate … Webethylhexyl)ester, bis(2-ethylhexyl) phthalate, and dioctyl phthalate (DOP). Physicochemical properties (1,2) [Conversion factor in air: 1 ppm = 1.59 mg/m3] ... found to result from …

WebJul 15, 2024 · Contamination and human health risks of phthalate esters in vegetable and crop soils from the Huang-Huai-Hai region of China Contamination and human health risks of phthalate esters in vegetable and crop soils from the Huang-Huai-Hai region of China . doi: 10.1016/j.scitotenv.2024.146281. Epub 2024 Mar 8. Authors WebBis-2-ethylhexyl-phthalate, also known as D i (2- e thyl h exyl) p hthalate or DEHP, is one of the man-made chemicals called phthalates or phthalic acid esters that is added to …

WebBis(2-ethylhexyl)phthalate (DEHP) is a commonly used plastic softener and, therefore, is contained in many plastic products. ... 2005), causing ubiquitous contamination. For example, DEHP WebMar 2, 2024 · Short-chain phthalates such as diethyl phthalate (DEP, 7) are degraded more easily by microorganisms than longer chain phthalates such as bis (2-ethylhexyl) phthalate (DEHP, 9 ), which can only be co-metabolically degraded in the presence of an additional carbon source [ 61 , 62 ].

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WebAn Agilent 7010B TQ GC/MS was supplied with H2 carrier gas for the analysis of a mixture of 8 Phthalate esters including Bis(2-ethylhexyl) phthalate (DEHP), Butyl benzyl phthalate (BBP), Dibutyl phthalate(DBP) and Diisobutyl phthalate (DIBP), which are listed under RoHS3. Agilent 7010B TQ GC/MS using Precision Hydrogen Tracefor phthalate testing chips in orange bagWebMar 23, 2024 · EPA designated di-ethylhexyl phthalate - (1,2-Benzene- dicarboxylic acid, 1,2- bis (2-ethylhexyl) ester) as a High-Priority Substance in December 2024 and the chemical is currently undergoing risk evaluation. Find other information about other chemicals undergoing risk evaluations under TSCA . On this page: Background on di-ethylhexyl … chips in paWebJun 1, 2024 · In German rivers, phthalates have been found from 0.33 to 97.8 μg/L for bis-(2-ethylhexyl) phthalate (DHEP) and from 0.12 to 8.80 μg/L for dibutyl phthalate (DBP), while concentrations in ... chips in londonWebBis-(2-ethylhexyl) phthalate: Much more than a peroxisome proliferator chips in new carsWebBis- (2-ethylhexyl) phthalate (DEHP) is the most commonly used plasticizing agent for the widely used plastic polyvinylchloride (PVC). Consequently, this compound is found … graphene chemical exfoliationWebMay 9, 2013 · Bis (2-ethylhexyl) phthalate Formula: C 24 H 38 O 4 Molecular weight: 390.5561 IUPAC Standard InChI: InChI=1S/C24H38O4/c1-5-9-13-19 (7-3)17-27-23 (25)21-15-11-12-16-22 (21)24 (26)28-18-20 (8-4)14-10-6-2/h11-12,15-16,19-20H,5-10,13-14,17-18H2,1-4H3 IUPAC Standard InChIKey: BJQHLKABXJIVAM-UHFFFAOYSA-N CAS Registry … chi psi northwesternWebAug 12, 2024 · Among them, dibutyl phthalate (DBP) and bis (2-ethylhexyl) phthalate (DEHP) have attracted much attention due to their harmful effects on aquatic life such as … graphene chemical makeup