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EC number: 500-051-3
CAS number: 26780-96-1
TMQ (1,2-Dihydro-2,2,4-trimethylquinoline, oligomers) is not yet
classified in the Annex I of Directive 67/548/EEC. According to the
information summarized in this chapter, it can be classified as R 52/53
"Harmful to aquatic organisms, and may cause long-term adverse effects
in the aquatic environment" with the following reasons:
- The most sensitive acute toxicity is to Daphnia: 48h-EL50 of 56 mg/l
upon water accomodated fraction (Bayer AG, 2000)
- Not readily biodegradable with 0 % degradation observed in 28 days
(Bayer AG, 2000)
With the data listed above, TMQ should be classified to "Chronic
Category 3" according to GHS (Regulation EC 1272/2008).
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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