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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 937-221-5 | CAS number: -
Appearance / physical state / colour
Administrative data
Link to relevant study record(s)
Description of key information
The reaction mass of neodymium carbonate and praseodymium carbonate is described as an inorganic solid appearing under the form of a pale green to pink powder (depending on light nature; i.e. artificial or sun light) at ambient temperature and pressure.
Key value for chemical safety assessment
- Physical state at 20°C and 1013 hPa:
- solid
Additional information
Three experimental studies, dealing with other physico-chemical endpoints but reporting description of the test item form, are available and selected as key studies.
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.
