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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 213-603-0 | CAS number: 993-07-7
Short-term toxicity to aquatic invertebrates
Administrative data
Link to relevant study record(s)
Description of key information
A 48-hour EC50 value of 124 mg/l and NOEC of <60 mg/l (measured concentrations) have been determined for the effects of the silanol reaction product, trimethylsilanol, on mortality and mobility of Daphnia magna.
Key value for chemical safety assessment
Fresh water invertebrates
Fresh water invertebrates
- Effect concentration:
- 124 mg/L
Additional information
No reliable data are available for the registration substance trimethylsilane (CAS 993-07-7). However, reliable test results are available for the silanol reaction product of the test substance, trimethylsilanol (CAS 1066-40-6), upon which the hazard assessment is based.
A 48-hour EC50 value of 124 mg/l and a NOEC of <60 mg/l (measured concentrations) have been determined for the effects of trimethylsilanol on mortality and mobility of Daphnia magna.
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.
