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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

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Category name:
Quaternary Ammonium Salts - Oleyl TMAC

Justifications and discussions

Category definition:
Quaternary ammonium salts (QAS) are salts of a quaternary ammonium cation combined with a negatively charged anion. The category includes alkyltrimethyl QAS (TMAC), Trimethylalkyl ammonium methylsulphate (TMA-MS), Hydroxyethyldimethylalkyl ammonium chloride (HEDMAC), benzyl alkyldimethyl QAS (ADBAC) and alkyl ethyl dimethyl ethyl sulphate QAS (ADMAES)
Category description:
See appended read-across justification.
Category rationale:
See appended read-across justification.