Registration Dossier
Registration Dossier
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EC number: 220-479-1 | CAS number: 2781-00-2
Toxicity to microorganisms
Administrative data
Link to relevant study record(s)
Description of key information
From the read across with 1,3 (or 1,4)-bis[1-(tert-butylperoxy)-1-methylethyl]benzene: no effect was recorded indicating that the substance did not inhibit the activated sludge.
Key value for chemical safety assessment
Additional information
In order to predict effects of chemicals in the environment and in biological wastewater treatment plants, an activated sludge respiration inhibition test was performed on 1,3-bis[1-(tert-butylperoxy)-1-methylethyl]benzene according to OECD 209 guideline and GLP requirements.Due to structural analogy, read-across from supporting substance is considered as valid, thus, results given here may apply to [1,3(or 1,4)- Phenylenebis(1-methylethylidene)] bis[tert-butyl] peroxide.The test substance was not soluble in water and therefore the activated sludge was exposed to bis (tert-butyl peroxy isopropyl)benzene adsorbed onto silica gel at a concentration of 1 g/litre. By this exposure no effect was recorded indicating that the obtained distribution of 1,3-bis[1-(tert-butylperoxy) -1-methylethyl]benzene in the water system did not inhibit the activated sludge. Validity criteria were fulfilled.
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