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EC number: 204-694-8
CAS number: 124-28-7
Cationic surfactants like the registration substance sorbs strongly to
solid phases by van der Waals as well as ionic interactions of the
protonated nitrogen. As no data for the registration substance is
available read-across to the measurements for 1 -Octadecyl amine is
carried. For 1 -Octadecyl amine an Adsorption/Desorption Test with 14C
material according OECD 106 was carried out (see IUCLID 5.4.1) using two
different soils, one sediment and one activated sludge.
Table Partitioning coefficents Kd / log Koc at lowest tested pore
AIR/WATER PARTITIONING - HENRY'S LAW CONSTANT
Henry's Law Constant Dimensionless Henry Law Constants (HLCs) for
members of the DMA category can be estimated with US EPA HENRYWIN
Program (v3.20). Using the bond contribution method, dimensionless HLCs
range from 0.0191 (C10-DMA) to 0.184 (C18-DMA). However, due to the high
pKa value, DMA category members will be almost fully protonated in
aquatic environments. Therefore, HLCs were estimated with the same
method for the protonated forms (DMA hydrochlorides) and ranged from
1.21E-09 (C10-DMA hydrochloride) to 1.16E-08 (C18-DMA hydrochloride),
indicating negligible volatilisation from surface waters. The same
conclusion has also been reached with the OECD SIDS for C12-DMA. OECD
SIDS N,N-Dimethyldodecylamine. CAS No: 112-18-5 SIDS Initial Assessment
Report for SIAM 11. Orlando, United States, 23-26 January 2001.
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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