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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 276-431-5 | CAS number: 72162-23-3 The high-boiling fraction separated by distillation from the products obtained from the reaction of nitric acid with cyclododecanol and cyclododecanone. Composed primarily of dodecanedioic acid, undecanedioic acid, and sebacic acid.
Endpoint summary
Administrative data
Description of key information
Additional information
All modeling data was generated by using the read across to dodecanedioic acid for Corfree® M1.
According to the MacKay Level III Fugacity model predicts the bulk of Corfree® M1 (about 81%) released to the environment will partition to soil, with the balance partitioning to water. EPI Suite™ model calculations, if released to soil, Corfree® M1 diacids is predicted to partition into the organic component of soils and sediments, given an estimated soil absorption coefficient (Log Koc) value of 2.95k (EPI Suite™ v4.1). The estimated half-life for Corfree® M1 diacids in soil is approximately 17 days and is consistent with the read-across chemical (dodecanedioic acid). The estimated log Kow value is 2.95 suggesting that Corfree® M1 has a low potential to bioaccumulate (EPI Suite v4.1). The absorption potential of dodecanedioic acid to soil or sediment organic matter is expected to be very low (Blume scale).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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