Registration Dossier
Registration Dossier
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EC number: 911-739-1 | CAS number: 99402-80-9
Endpoint summary
Administrative data
Description of key information
Toxicity to Soil Macroorganisms
PO038
In this earthworm reproduction test according to OECD 222 the test substance did not induce mortality or pathological symptoms of adult earthworms after an exposure to the test item concentrations of 62.5, 125, 250, 500 and 1000 mg/kg soil dry weight for 28 days. Also, the biomass increase of the adult earthworms after 28 days did not statistically significantly differ compared to the pooled control at all test item concentrations. In addition, after eight weeks of exposure the earthworm reproduction was not statistically significantly reduced at all applied test item concentrations.
Thus the No Observed Effect Concentration (NOEC) for the submission substance with respect to mortality, body weight and reproduction of Eisenia fetida fetida after 8 weeks of exposure in artificial soil was determined to be 1000 mg test item/kg soil dry weight.
PR112
Under the conditions of this OECD 222 study, Pigment Red 112 did not induce mortality or pathological symptoms of adult earthworms after an exposure to the test item concentration of 1000 mg test item/kg soil dry weight for 28 days. The biomass increase of the adult earthworms after 28 days was not statistically significantly reduced compared to the pooled control at the limit test item concentration of 1000 mg test item/kg soil dry weight. After eight weeks of exposure the earthworm reproduction was not statistically significantly reduced, but increased at the limit test item concentration of 1000 mg test item/kg soil dry weight.
Thus, the No Observed Effect Concentration (NOEC) with respect to mortality, body weight and reproduction of Eisenia fetida fetida after 8 weeks of exposure in artificial soil was determined to be at 1000 mg test item/ kg soil dry weight.
Toxicity to Terrestrial PLants
PR112
The phytotoxicity of the test item Pigment Red 112 to three terrestrial plant species was determined in a seedling emergence test over a period of 21 days according to OECD 208. The test was conducted with the nominal test item concentration 1000 mg/kg soil dry weight (DW). Test systems were one monocotyledon, oats (Gramineae), and two dicotyledons, rape (Brassicaceae) and soybean (Leguminosae). The toxic effects of the test item were determined on day 7, 14 and 21 by visual observations (number of emerged seedlings and phytotoxic effects) and on day 21 by shoot height and shoot fresh weight determination. The inhibition of shoot height, shoot fresh weight and rate of emergence was calculated in relation to the untreated control. The test item did not cause any effects > 25 % on the shoot height, the shoot fresh weight and the rate of emergence of the tested plant species at the tested concentration. After 21 days no test item related phytotoxic effects were observed for the tested plant species.
Additional information
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