Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: - | CAS number: -
Partition coefficient
Administrative data
Link to relevant study record(s)
Description of key information
Based on the determination of the water solubility (0.23 mg/L) and the octanol solubility (>1- >100 kg/L) of the analogues, the logPow of the analogues was calculated to be >6.6 and >8.63 (Laus, 2015a and b).
Key value for chemical safety assessment
- Log Kow (Log Pow):
- 6.6
Additional information
The calculation of the logPow of DDNSA based on the water solubility and octanol solubility is two orders of magnitude above that of the structural analogue DNNSA. This is solely caused by the determination of the solubility in octanol, where for DDNSA higher loading rates were included in the test design. A high logPow is confirmed by the outcome of a QSAR on a representative structure for CaDDNSA. In view of the structural similarities with both acids, the logPow for CaDDNSA is set at > 6.6 in a worst case approach because this value is most close to the EUSES cut-off value (logPow 6).
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.
