Registration Dossier
Registration Dossier
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EC number: 262-134-8 | CAS number: 60270-33-9
Endpoint summary
Administrative data
Description of key information
Additional information
Although not required under REACH Annex VIII the following information will be given:
BIOACCUMULATION: AQUATIC / SEDIMENT
The registration substance is a strong base which under environmental conditions is mostly protonated and therefore a cationic surfactant (e.g. at pH 7 around 99.5% of the tertiary amine is protonated). For cationic surfactants Log Kow cannot be measured reliably. Therefore the cmc and the octanol solubility of the protonated amine were measured and the log Kow was calculated to be 2.85. Based on this low Log Kow it can be concluded that the registration substance has a low potential for bioaccumulation and magnification. In addition the registration substance is readily biodegradable and it can be assumed from the chemical structure and toxicokinetic studies in animals that also metabolism in aquatic organisms takes place which influences the BCF as well. When using the ADME Model of Arnot and Gobas (US EPA BCF BAF Model) a BCF of 6.37 L/kg wwt and with the Regression model a BCF of 35.27 L/kg wwt can be estimated supporting the conclusion of low bioaccumulation potential.
BIOACCUMULATION: SOIL
Using the log Kow of 2.85 (see above) the EUSES 2.1.2 Model estimates a BCF worm of 9.34 L/kg wwt which means that the bioaccumulation potential is very low.
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