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EC number: 202-436-9
CAS number: 95-63-6
were derived for freshwater, saltwater, sediment, soil and micro-organisms
using the HC5 model plus statistical extrapolation or equilibrium
available data for 1,2,4-trimethylbenzene indicate the acute aquatic
toxicity ranges from 2.356 mg/L (96hr EC50 for Algae - QSAR) to 7.72
mg/L (96hr LC50 for fish - measured) and the log Kow is 3.63 (i.e. <
4.0). The substance does not meet the criteria for ready
biodegradability but degrades rapidly and is therefore considered not to
be persistent in the environment.
the harmonization of Annex 1 of Directive 67/548/EEC,
1,2,4-trimethylbenzene has been classified as N R51-53 which has been
transferred to a classification of Aquatic Chronic 2 hazard to the
environment and the hazard statement 'Toxic to aquatic life with long
lasting effects' under the GHS.
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.Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
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