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Ecotoxicological information

Toxicity to terrestrial plants

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Description of key information

DINP has been tested in short- and long-term studies with terrestrial plants. No adverse effects were observed up to 1000 mg/kg d.w. soil. 

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Additional information

The data used to characterize the terrestrial plant toxicity of DINP show that DINP does not cause toxicity to terrestrial plants at a high soil loading level, 8630 mg/kg for ryegrass (Lolium species) and 1080 mg/kg for lettuce (Lactuca sativa), based on germination. The chronic toxicity of DINP to plants has been measured in a 28 day test based on germination and growth of lettuce (Lactuca sativa) seeds in natural soil and shown not to be toxic at the highest level tested, 1387 mg/kg dry weight.

Results from 5-day plant toxicity studies show that DINP does not cause toxicity at high soil concentrations, based on germination, as determined in natural and artificial soils. Effects were observed with Lactuca sativa in only one germination test: 16 and 33% inhibition at 3,000 and 10,000 mg/kg dw, respectively. The chronic toxicity of DINP to plants has been measured in a long-term 28 day test based on germination and growth of lettuce (Lactuca sativa) seeds in natural soil and shown not to be toxic at the highest level tested, a concentration of 1,500 mg/kg dw.