Abstract
[14C]-MBOCA [4,4′-methylene-bis (2-chloroaniline)] was rapidly bound to soil with most of the binding occurring within the first 24 hr after application. After 24 weeks, less than 20% of the radio-activity could be extracted from soil and less than 6% could be extracted as parent MBOCA. MBOCA has a water solubility of 13.9 mg/L and the MBOCA-soil adsorption isotherm indicates a strong affinity of MBOCA to soil. The predominant metabolite found in the non-sterile soil was identified as 4,4′-diamino-3,3′-dichlorobenzophenone. Less than 1% of applied radioactivity was released as [14C]-CO2 during the 24 week experiment, indicating that soil microbes were capable of very limited mineralization of MBOCA.
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Michigan Agric. Exp. Sta. Journal Article No. 11868.
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Voorman, R., Penner, D. Fate of MBOCA [4,4′-methylene-bis (2-chloroaniline)] in soil. Arch. Environ. Contam. Toxicol. 15, 595–602 (1986). https://doi.org/10.1007/BF01056574
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DOI: https://doi.org/10.1007/BF01056574