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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 234-186-1 | CAS number: 10584-98-2
Long-term toxicity to aquatic invertebrates
Administrative data
Link to relevant study record(s)
Description of key information
One study was available for assessment of the endpoint Long-term toxicity to aquatic invertebrates.
de Roode D.F. & de Haan H.P.M. (2004) 2-Ethylhexyl 4,4-dibutyl-10-ethyl-7-oxo-8-oxa-3,5-dithia-4-stannatetradecanoate [Dibutyltin bis(2¬ethyl hexylmercaptoacetate), CAS. No. 10584-98-2]: Daphnia magna, reproduction test (semi-static). Testing laboratory: NOTOX B.V. Hambakenwetering 7 5231 DD 's-Hertogenbosch, The Netherlands. Owner company: Parametrix, Inc. 5808 Lake Washington Blvd. NE, Suite 200 WA Kirkland U.S.A.. Report No: TNO Study Number: 0200B4. Report date: 2004-09-06.
The study was conducted in compliance with GLP and to the guideline OECD 211.
The 21-Day LC50 (immobilisation) value, based on percentage of WAF at 100 mg/L for the parental Daphnia generation was determined as 65%
The 21-Day EC50 (reproduction) value based on percentage of WAF at 100 mg/L was 56%
According to Water solubility (Butler & White, 2010/key) is the water solubility of DBTE 3.58 mg/L. From this value 10% of WAF are epuivalent to 0.36 mg/L. So it is concluded the NOEC is 0.36 mg DBTE /L
The NOEC (overall) based on percentage of WAF at 100 mg/L was 10 %, on the basis that this was the highest test concentration no noticeable difference from the control daphnia.
Key value for chemical safety assessment
Fresh water invertebrates
Fresh water invertebrates
- Effect concentration:
- 0.36 mg/L
Additional information
de Roode D.F. & de Haan H.P.M. (2004) was provided as the key study for this endpoint. The study was performed in compliance with GLP and to the OECD guideline 211. According to Water solubility (Butler & White, 2010/key) is the water solubility of DBTE 3.58 mg/L. From this value 10% of WAF are epuivalent to 0.36 mg/L. So it is concluded the NOEC is 0.36 mg DBTE /L
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.
