Registration Dossier
Registration Dossier
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EC number: 203-481-7 | CAS number: 107-31-3
Sediment toxicity
Administrative data
Link to relevant study record(s)
Description of key information
No data available
Key value for chemical safety assessment
Additional information
Parent compund CAS 107 -31 -3
In Annex X section 9.5.1 of Regulation (EC) No 1907/2006, it is laid down that chronic tests on sediment organisms shall be proposed by the registrant if the chemical safety assessment indicates the need to investigate further the effects on sediment organisms. According to Annex I of this regulation, the chemical safety assessment triggers further action when the substance or the preparation meets the criteria for classification as dangerous according to Directive 67/548/EEC or Regulation EC 1272/2008 or is assessed to be a PBT or vPvB. The hazard assessment of the substance reveals neither a need to classify the substance as dangerous to the environment, nor is it a PBT or vPvB substance, nor are there any further indications that the substance may be hazardous to the environment. In addition, indirect exposure to sediment is unlikely since the substance is readily biodegradable (93% CO2 evolution, after 28 days, OECD 310, BASF SE, 1997). For substances being considered as „readily biodegradable“, it can be assumed that they will be biologically degraded within the STP-process. As the log Koc and log Kow of the substance are below 3 and no cationic and surface-active properties are given a low adsorption potential is indicated. Hence, an adsorption to activated sludge, suspended matter or sediment particles is unlikely. In special cases, if the substance is not entering the STP-process but is readily biodegradable, it can be assumed that it will be rapidly biological degraded in the surface water. As a consequence, a transfer to the sediment compartment is unlikely. Therefore, no tests on sediment organisms are provided.
Hydrolysis product formic acid/formate (CAS 64 -18 -6)
In Annex X section 9.5.1 of Regulation (EC) No 1907/2006, it is laid down that chronic tests on sediment organisms shall be proposed by the registrant if the chemical safety assessment indicates the need to investigate further the effects on sediment organisms. According to Annex I of this regulation, the chemical safety assessment triggers further action when the substance or the preparation meets the criteria for classification as dangerous according to Directive 67/548/EEC or Regulation EC 1272/2008 or is assessed to be a PBT or vPvB. The hazard assessment of the substance reveals neither a need to classify the substance as dangerous to the environment, nor is it a PBT or vPvB substance, nor are there any further indications that the substance may be hazardous to the environment. In addition, indirect exposure to sediment is unlikely since the substance is readily biodegradable in freshwater based on the results of standard ready tests that show 71.5 – 95 percent removal after 5 and 20 days, respectively (Price et al. 1974; Wagner 1976). In marine water degradation rates were found between 69 - 97 % (Price et al. 1974). For substances being considered as „readily biodegradable“, it can be assumed that they will be biologically degraded within the STP-process. As the log Koc and log Kow of the substance are below 3 and no cationic and surface-active properties are given a low adsorption potential is indicated. Hence, an adsorption to activated sludge, suspended matter or sediment particles is unlikely. In special cases, if the substance is not entering the STP-process but is readily biodegradable, it can be assumed that it will be rapidly biological degraded in the surface water. As a consequence, a transfer to the sediment compartment is unlikely. Therefore, no tests on sediment organisms are provided.
Hydrolysis product methanol (CAS 67 -56 -1)
In Annex X section 9.5.1 of Regulation (EC) No 1907/2006, it is laid down that chronic tests on sediment organisms shall be proposed by the registrant if the chemical safety assessment indicates the need to investigate further the effects on sediment organisms. According to Annex I of this regulation, the chemical safety assessment triggers further action when the substance or the preparation meets the criteria for classification as dangerous according to Directive 67/548/EEC or Regulation EC 1272/2008 or is assessed to be a PBT or vPvB. The hazard assessment of the substance reveals neither a need to classify the substance as dangerous to the environment, nor is it a PBT or vPvB substance, nor are there any further indications that the substance may be hazardous to the environment. In addition, indirect exposure to sediment is unlikely since the substance is readily biodegradable in freshwater based on the results of standard ready tests that show 99% DOC removal after 11 days (BASF AG, 1988); 98% DOC removal after 14 days (BASF AG, 1988); 100% O2 consumption after 14 days (MITI/JETOC Japan, 1993). For substances being considered as „readily biodegradable“, it can be assumed that they will be biologically degraded within the STP-process. As the log Koc and log Kow of the substance are below 3 and no cationic and surface-active properties are given a low adsorption potential is indicated. Hence, an adsorption to activated sludge, suspended matter or sediment particles is unlikely. In special cases, if the substance is not entering the STP-process but is readily biodegradable, it can be assumed that it will be rapidly biological degraded in the surface water. As a consequence, a transfer to the sediment compartment is unlikely. Therefore, no tests on sediment organisms are provided.
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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