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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 231-137-6 | CAS number: 7440-27-9
Manufacture, use & exposure
Article service life
Documentsopen allclose all
Service life
- Registration/ Notification status for the use:
- use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
- Article used by:
- workers
- Article category (AC):
- AC 1: Vehicles
- AC 2: Machinery, mechanical appliances, electrical/electronic articles
- AC 7: Metal articles
- AC 0: Other: magnets used in sensors
- Substance intended to be released from article:
- no
Contributing activity / technique for the environmentopen allclose all
- Name of activity / technique:
- Elemental terbium use of alloys in powder and granulated form
- Environmental release category (ERC):
- ERC12a: Processing of articles at industrial sites with low release
- Name of activity / technique:
- Elemental terbium use of alloys in powder and granulated form
- Environmental release category (ERC):
- ERC12c: Use of articles at industrial sites with low release
Contributing activity / technique for workers
- Name of activity / technique:
- handling of permanent magnets incorporated in articles (e.g. machinery, vehicles, electrical articles
- Process category (PROC):
- PROC 21: Low energy manipulation of substances bound in materials and/or articles
- Related assessment:
- use assessed in a joint CSR
Service life
- Registration/ Notification status for the use:
- use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
- Article used by:
- workers
- Article category (AC):
- AC 1: Vehicles
- AC 2: Machinery, mechanical appliances, electrical/electronic articles
- AC 7: Metal articles
- AC 0: Other: Magnets used in sensors
- Substance intended to be released from article:
- no
Contributing activity / technique for the environmentopen allclose all
- Name of activity / technique:
- Elemental terbium use in massive form
- Environmental release category (ERC):
- ERC12a: Processing of articles at industrial sites with low release
- Name of activity / technique:
- Elemental terbium use in massive form
- Environmental release category (ERC):
- ERC12c: Use of articles at industrial sites with low release
Contributing activity / technique for workers
- Name of activity / technique:
- Handling of permanent magnets incorporated in articles (e.g. machinery, vehicles, electrical articles
- Process category (PROC):
- PROC 21: Low energy manipulation of substances bound in materials and/or articles
- Related assessment:
- use assessed in a joint CSR
Service life
- Article used by:
- workers
- Article category (AC):
- AC 1: Vehicles
- AC 2: Machinery, mechanical appliances, electrical/electronic articles
- AC 7: Metal articles
- Substance intended to be released from article:
- no
Contributing activity / technique for the environmentopen allclose all
- Name of activity / technique:
- Use of permanent magnets
- Environmental release category (ERC):
- ERC12a: Processing of articles at industrial sites with low release
- Name of activity / technique:
- Use of permanent magnets
- Environmental release category (ERC):
- ERC12b: Processing of articles at industrial sites with high release
Contributing activity / technique for workersopen allclose all
- Name of activity / technique:
- Use of permanent magnets
- Process category (PROC):
- PROC 14: Tabletting, compression, extrusion, pelletisation, granulation
- Name of activity / technique:
- Use of permanent magnets
- Process category (PROC):
- PROC 22: Potentially closed processing operations with minerals/metals at elevated temperature. Industrial setting
- Name of activity / technique:
- Use of permanent magnets
- Process category (PROC):
- PROC 23: Open processing and transfer operations with minerals/metals at elevated temperature
- Name of activity / technique:
- Use of permanent magnets
- Process category (PROC):
- PROC 24: High (mechanical) energy work-up of substances bound in materials and/or articles
- Name of activity / technique:
- Use of permanent magnets
- Process category (PROC):
- PROC 25: Other hot work operations with metals
Service life
- Registration/ Notification status for the use:
- use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
- Article used by:
- consumers
- Substance intended to be released from article:
- no
Contributing activity / technique for the environment
- Name of activity / technique:
- Elemental terbium use of alloys in powder and granulated form as used in magnets incorporated in articles
- Environmental release category (ERC):
- ERC11a: Widespread use of articles with low release (indoor)
Contributing activity / technique for consumers
- Name of activity / technique:
- Elemental terbium use of alloys in powder and granulated form as used in magnets incorporated in articles
- Article category (AC):
- AC 0: Other: permanent magnets
- Related assessment:
- use assessed in a joint CSR
Service life
- Registration/ Notification status for the use:
- use registered according to REACH Article 10; total tonnage manufactured/imported >=10tonnes/year per registrant
- Article used by:
- consumers
- Substance intended to be released from article:
- no
Contributing activity / technique for the environment
- Name of activity / technique:
- Elementalterbium use in massive form as used in magnets incorporated in articles
- Environmental release category (ERC):
- ERC11a: Widespread use of articles with low release (indoor)
Contributing activity / technique for consumers
- Name of activity / technique:
- Elemental terbium use in massive form as used in magnets incorporated in articles
- Article category (AC):
- AC 0: Other: permanent magnets
- Related assessment:
- use assessed in a joint CSR
Service life
- Article used by:
- workers
- Article category (AC):
- AC 1: Vehicles
- AC 2: Machinery, mechanical appliances, electrical/electronic articles
- AC 7: Metal articles
- Substance intended to be released from article:
- no
Contributing activity / technique for the environmentopen allclose all
- Name of activity / technique:
- Use of permanent magnets.
- Environmental release category (ERC):
- ERC12a: Processing of articles at industrial sites with low release
- Name of activity / technique:
- Use of permanent magnets.
- Environmental release category (ERC):
- ERC12b: Processing of articles at industrial sites with high release
Contributing activity / technique for workersopen allclose all
- Name of activity / technique:
- Use of permanent magnets.
- Process category (PROC):
- PROC 14: Tabletting, compression, extrusion, pelletisation, granulation
- Name of activity / technique:
- Use of permanent magnets.
- Process category (PROC):
- PROC 22: Potentially closed processing operations with minerals/metals at elevated temperature. Industrial setting
- Name of activity / technique:
- Use of permanent magnets.
- Process category (PROC):
- PROC 23: Open processing and transfer operations with minerals/metals at elevated temperature
- Name of activity / technique:
- Use of permanent magnets.
- Process category (PROC):
- PROC 24: High (mechanical) energy work-up of substances bound in materials and/or articles
- Name of activity / technique:
- Use of permanent magnets.
- Process category (PROC):
- PROC 25: Other hot work operations with metals
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.
