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Environmental fate & pathways

Bioaccumulation: terrestrial

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In green house studies using 14C-phthalic acid as test substance bioaccumulation ratios of 0.013 for plants and 0.0046 for seeds were obtained (Dorney et al., 1985). This study demonstrates the relatively low potential for bioaccumulation of phthalic acid in plants.

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In green house studies 14C-phthalic acid was applied to soil planted with wheat (Triticum aestivum) /corn (Zea mays) or soybeans (Glycine max) /tall fescue (Festuca arundinacea). For phthalic acid the bioaccumulation ratios were 0.013 for plants and 0.0046 for seeds. TLC analysis showed that the percent of the extractable 14C still in phthalic acid, was 5 % in corn and fescue, 15 % in soybean, 9 % in wheat plants, and the highest for wheat seed (47 %) (Dorney et al., 1985). This study demonstrates the relatively low potential for accumulation of phthalic acid in plants.