WebBis(2-ethylhexyl)phthalate-3,4,5,6-d 4 (DEHP-3,4,5,6-d 4) is an isotope labeled pesticide standard used for food and environmental analyses. Application Isotope-labeled … WebDI(2-ETHYLHEXYL)PHTHALATE 357 . CHAPTER 5. POTENTIAL FOR HUMAN EXPOSURE . 5.1 OVERVIEW DEHP has been identified in at least 757 of the 1,867 hazardous waste sites that have been proposed for inclusion on the EPA National Priorities List (NPL) (ATSDR 2024). However, the number of sites in
Æ Ju¨rgen Angerer Di(2-ethylhexyl)phthalate (DEHP …
WebAdditionally, the isotopic atoms of some DEHP isotopic tracers (di(2-ethylhexyl)-[7-14 C]phthalate or di(2-ethylhexyl)phthalate-3,4,5,6 D4) are usually located in the phthalate moiety, which can only satisfy the research on the … WebMay 25, 2004 · 2.3.. Sample preparation proceduresTo a tube containing 0.50 g of serum, 10 ng of MEHP-d4 and DEHP-d4 was added at 4 °C.Then, 4.0 ml acetone was added and the sample was sonicated for 2 min and vigorously shaken for 5 min.The serum was centrifuged at 3×10 3 g and the supernatant was collected. To the precipitant, 1.0 ml … crystal disk info current worst threshold
Dimethyl phthalate-3,4,5,6-d4 C10H10O4 - PubChem
WebFormula: C 2 4 H 3 8 O 4 / C 6 H 4 (COOC 8 H 1 7) 2 Molecular mass: 390.6 Boiling point: 385°C Melting point: -50°C Relative density (water = 1): 0.986 Solubility in water: none … Webother chemicals, such as di-isononylcyclohexane-1,2-dicarboxylate (DINCH) and di(2-ethylhexyl) terephthalate (DEHT), that also increase the flexibility of plastics. 13-15. EPA is planning to conduct an assessment of alternatives to several phthalates. 1. For most phthalates, the major route of exposure is food ingestion. 4,16-19. However, personal WebApoptosis signaling was assessed after exposure to mono-(2-ethylhexyl) phthalate (MEHP), the active metabolite of di-(2-ethylhexyl) phthalate. Here, we report that iPSCs were more resistant to MEHP-induced apoptosis than were original TSCs. MEHP also repressed the expression of AR and inactivated WNT signaling, and then led to the … crystaldiskinfocrystal