Registration Dossier
Registration Dossier
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EC number: 239-825-8 | CAS number: 15733-22-9
Endpoint summary
Administrative data
Description of key information
Additional information
There are no environmental fate data available forsodium p-chloro-m-cresolate (CAS 15733-22-9).Therefore, a read-across approach was conducted to compile relevant data from a structurally and chemically related source substance in order to fulfill the standard information requirements laid down in Annex VIII of REACH Regulation (EC) No 1907/2006. The read-across was conducted in accordance with Regulation (EC) No 1907/2006 Annex XI, 1.5.
This read-across is based on the hypothesis that the source substance (p-chloro-m-cresol, CAS 59-50-7) and the target substance (sodium p-chloro-m-cresolate) have similar respectively the same environmental fate properties. The target substance is transformed by hydrolysis into the source substance and sodium cation. The source substance p-chloro-m-cresol is the common compound in this analogue approach.Thus, the source substance is considered a suitable representative for the evaluation of the environmental fate behavior of the target substance. The read-across approach is justified in detail within the analogue justification in IUCLID section 13.
The substance sodium p-chloro-m-cresol (CAS 15733-22-9) is characterized by a low vapour pressure (< 10 Pa), a high water solubility (489 g/L) and a log Koc indicating a moderate adsorption potential to soil and sediment particle (2.65, OECD 106). Furthermore, the substance is considered to be ready biodegradable. Thus, it is expected that an extensive elimination of the substance in sewage treatment plants will occur and therefore the concentration of the substance in conventional STP effluents is presumably marginal. Abiotic degradation via hydrolysis is considered as not relevant for the substance, as the substance is hydrolytically stable. Based on the low vapour pressure evaporation to air and subsequent transport through the atmosphere to other environmental compartments is not likely.
Based on the available results from a structurally similar source substance (in accordance to Regulation (EC) No 1907/2006 Annex XI, 1.5) which is the main transformation product of the target substance and is characterized by a similar environmental fate behavior and comparable structure, it can be concluded thatsodium p-chloro-m-cresolatehas effects in the same range as the target substance.
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