Registration Dossier
Registration Dossier
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EC number: 800-660-7 | CAS number: 1258274-08-6
Endpoint summary
Administrative data
Description of key information
Additional information
Biodegradation
The biodegradation potential of aromatic hydrocarbons, C10-13, reaction products with branched nonene, sulphonated, sodium salts has been assessed in an inherent test (SCAS test) in combination with Closed Bottle tests. The results reveal that methylnaphthalenesulphonate, and part of the isomers of dimethylnaphthalenesulphonate, degrade. The other constituents are not readily biodegradable. The substance is considered to be inherently degradable not fulfilling the specific criteria outlined in the REACH guidance.
Abiotic degradation
The substance is expected to be stable in the environment on the basis of the chemical structure.
Bioaccumulation
The bioaccumulation test on aquatic species is waived because the available information (log Kow and calculated BCF values) is deemed sufficient for the PBT assessment, classification and labelling and the chemical safety assessment. The log Kow of -3.3 and the chemical structure of the substance suggest a very low bioaccumulation potential. The calculated BCF is 1.41 L/kg wwt (EUSES).
Adsorption/desorption
The log Koc of 3.5 was experimentally determined in an adsorption/desorption study according to OECD Guideline 121 (Estimation of the Adsorption Coefficient (Koc) on Soil and on Sewage Sludge using High Performance Liquid Chromatography (HPLC)) under GLP conditions.
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.
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