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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 231-891-6 | CAS number: 7775-19-1
Endpoint summary
Administrative data
Description of key information
Short term effects on fish ranged from 74 to 725 mg B/L. Equivalent concentrations of sodium metaborate would be:
Anhydrous: 450 to 4413 mg/L,
Dihydrate: 697 to 6827 mg/L,
Tetrahydrate: 944 to 9247 mg/L.
Short term effects on aquatic invertebrates ranged from 45 to 1376 mg B/L. Equivalent concentrations of sodium metaborate would be:
Anhydrous: 274 to 8375 mg/L,
Dihydrate: 424 to 12957 mg/L,
Tetrahydrate: 574 to 17551 mg/L.
Short term effects on the algae Pseudokirchneriella subcapitata (formerly Selenastrum capricorntum) were observed at 40 mg B/L. Equivalent concentrations of sodium metaborate would be:
Anhydrous: 243 mg/L,
Dihydrate: 377 mg/L,
Tetrahydrate: 510 mg/L.
These data support a conclusion that borates should not be classified as dangerous for the environment.
Additional information
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.
