Registration Dossier
Registration Dossier
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EC number: 266-582-5 | CAS number: 67124-09-8
Endpoint summary
Administrative data
Description of key information
Additional information
Biodegradation in water: screening test
1-(tert-dodecylthio)propan-2-ol has to be considered as "not readily biodegradable" under the stringent conditions of OECD Guideline 301 F (Manometric Respirometry Test) (Kung, 1998). The test material attained only 5.9 % degradation after an exposure period of 28 days.
Biodegradation in water and sediment: simulation test
In accordance with column 2, section 9.2.1.4 of REACH Annex IX, the test does not need to be conducted if direct and indirect exposure of water and sediments is unlikely. The substance is not directly applied to water and sediments and based on its intended use and handling will not enter the aquatic environment. The indirect exposure of soil to this substance via sewage sludge is also of no concern based on the treatment of the sludge. ECHA Chapter R.7B and R.7C guidance states that if the PEC/PNEC ratio is below 1, then no risk for the compartment is indicated, that the information available may be sufficient to conclude the assessment, and there is no need to perform further tests. Additionally, ECHA REACH Guidance Chapter R.7B guidance states that if the substance is not considered a PBT or vPvB candidate, then it is considered not necessary to conduct further testing on the compartment. Furthermore, testing is waived in accordance with REACH Annex IX, column 2, sections 9.2.1.2 and 9.2.1.4.,because of the low water solubility of the substance (4.8 mg/L, Woolley and Mullee, 2003).
Biodegradation in soil
In accordance with column 2, section 9.2.1.3 of REACH Annex IX, the test does not need to be conducted if direct and indirect exposure of soil is unlikely. The substance is not directly applied to soil and based on its intended use and handling will not enter the terrestrial environment. The indirect exposure of soil to this substance via sewage sludge is also of no concern based on the treatment of the sludge. ECHA Chapter R.7B and R.7C guidance states that if the PEC/PNEC ratio is below 1, then no risk for the compartment is indicated, that the information available may be sufficient to conclude the assessment, and there is no need to perform further tests. Additionally, ECHA Chapter R.7B guidance states that if the substance is not considered a PBT or vPvB candidate, then it is considered not necessary to conduct further testing on the compartment.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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