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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.
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EC number: 215-662-8 | CAS number: 1338-24-5
Endpoint summary
Administrative data
Description of key information
Additional information
Because naphthenic acid is a mixture of many different isomers of cycloalkyl carboxylic acids, physicochemical properties vary according to the proportions of the individual compounds in their composition. Therefore in many cases it is not possible to set a specific endpoint value as results will vary dependent on the hydrocarbon component make-up of the complex mixture. The registrant has undertaken every effort to provide representative data to reflect the substance's intrinsic properties.
The endpoints vapour pressure and partition coefficient are addressed using the EPISuite computer model (US EPA, 2009). In order to obtain representative results and to gain an understanding on the characteristics of the respective endpoint the registrant used various hydrocarbon acidic structures which are in concordance with substance identification.
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.
