Polychlorinated Biphenyl (PCBs) Standards

Applications 4-Chloro-1,1’-biphenyl (cas# 2051-62-9) is a compound useful in organic synthesis.

Applications 2,3,4'-Trichlorobiphenyl is a polychlorinated biphenyl (PCB) congeners. References Ballschmiter, K., et al.: Fresenius J Anal Chem., 302, 20 (1980); Hawker, Darryl W., et al.: Environ Sci Technol., 22, 382 (1988)

Applications 2,2',3,3',4,4',6-Heptachlorobiphenyl is a polychlorinated biphenyl (PCB) congeners. References Ballschmiter, K., et al.: Fresenius J Anal Chem., 302, 20 (1980); Hawker, Darryl W., et al.: Environ Sci Technol., 22, 382 (1988)

Applications 2,4,4'-Trichlorobiphenyl-2',3',5',6'-d4 (CAS# 1219799-32-2) is the labelled version of 2,4,4'-Trichlorobiphenyl (T774035(M)), which is a polychlorinated biphenyl (PCB) found in air, soil, mammals, and marine animals. References Mahmood, A., et al.: Sci. Total Environ., 481, 596 (2014); Carlsson, P., et al.: Environ. Sci. Pollut. R., 21, 4741 (2014); Tartu, S., et al.: Sci. Total Environ., 476, 553 (2014); Brown, T.M., et al.: Environ. Toxicol. Chem., 33, 592 (2014); Eng, M.L., et al.: Sci. Total Environ., 473, 589 (2014)

Applications 3,3',4,4',5-Pentachlorobiphenyl is a polychlorinated biphenyl (PCB) congeners. References Ballschmiter, K., et al.: Fresenius J Anal Chem., 302, 20 (1980); Hawker, Darryl W., et al.: Environ Sci Technol., 22, 382 (1988)

Applications Isotope labelled 2-Imidazolidinethione (I350300) is a pesticide used in production of fruits and vegetables. It is also used as a new contrast agent for MRI studies based on proton chemical exchange dependent saturation transfer (1). 2-Imidazolidinethione is also a corrosion inhibitor (2) due to the adsorption of the mol. species. Drinking water contaminant candidate list 3 (CCL 3) compound as per United States Environmental Protection Agency (EPA), environmental, and food contaminants. References 1. Ward, K. et al.: J. Magn. Reson. 2000 Mar:143(1) 79-872. Pillai, K. et al.: J. Electrochem. Soc. 1978 Aug:125(9) 1393-1397

Applications 2,4',5-Trichlorobiphenyl-13C12 is the labeled analogue of 2,4',5-Trichlorobiphenyl (T773875), a polychlorinated biphenyl found in soil, mammals and marine animals. References Madenjian, C.P., et. al.: Sci. Total Environ., 493, 377 (2014); McLeod, A.M., et. al.: Environ. Toxicol. Chem., 33, 1825 (2014); Tremolada, P., et. al.: Sci. Total Environ., 487, 471 (2014); Holma-Suutari, A., et. al.: Sci. Total Environ., 476, 125 (2014); Brown, T.M., et. al.: Environ. Toxicol. Chem., 33, 592 (2014)

Applications It was selected as a major hydroxylated polychlorinated biphenyl metabolite detected from serum of wildlife and humans and was examined for its effect on the level of serum thyroid hormone in mice. Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package References Barter, R., et al.: Toxicol. Appl. Pharmacol., 128, 9 (1994), Hallgren, S., et al.: Arch. Toxicol., 75, 200 (2001), Craft, E., et al.: Toxicol. Sci., 68, 372 (2002), Kato, Y., et al.: Toxicol. Sci., 81, 309 (2004), Kato, Y., et al.: Drug Metab. Dispos., 35, 1949 (2007),

Applications 2,3',4,4',5,5'-Hexachlorobiphenyl is a polychlorinated biphenyl (PCB) congeners. References Ballschmiter, K., et al.: Fresenius J Anal Chem., 302, 20 (1980); Hawker, Darryl W., et al.: Environ Sci Technol., 22, 382 (1988)

Applications 1,2,3,4,5-Pentabromo-6-(2,3,5,6-tetrabromophenoxy)benzene is a polybrominated diphenyl ethers (PBDEs) found as a contaminant in soil. References Li, X., et al.: SAR. QSAR. Environ. Res., 24, 75 (2013); Henny, C.J., et al.: Ecotoxicol., 20, 682 (2011); Wyrzykowska, B., et al.: Anal. Chem., 81, 4334 (2009);

Applications 2,3,3',4,5'-Pentachloro-1,1'-biphenyl, is a polychlorinated biphenyl (PCB), that have been widely used as heat transfer fluids, hydraulic fluids, flame retardants, organic diluents, and dielectric fluids. References Todaka, T., et al.: Organohalogen Compds., 70, 1597 (2008); Niladri, B., et al.: Env. Pollution, 149, 25 (2007);

Applications 2',4,4',5,5',6-Hexachloro-[1,1'-biphenyl]-2-ol is an intermediate in the synthesis of 1,2,3,7,8-Pentachlorodibenzofuran (P237970), which is a toxic polychlorinated dibenzofuran detected in domestic meat and poultry. References Feil, V., et al.: J. Agric. Food Chem., 48, 6163 (2000); Huwe, J., et al.: Food Addit. Contam., 21, 182 (2004); Llobet, J., et al.: Toxicol. Lett., 178, 117 (2008)

Applications 2-Chlorobiphenyl (cas# 2051-60-7) is a useful research chemical.