Registration Dossier
Registration Dossier
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: 203-417-8 | CAS number: 106-63-8
Long-term toxicity to aquatic invertebrates
Administrative data
Link to relevant study record(s)
Description of key information
For the structurally related n-butyl acrylate a NOEC of 0.136 mg/L was determined: NOEC (reproduction) = 0.136 mg/L (Daphnia magna, OECD 211, semi-static).
Key value for chemical safety assessment
Fresh water invertebrates
Fresh water invertebrates
- Effect concentration:
- 0.136 mg/L
Additional information
There are no data on long-term toxicity towards invertebrates for Isobutyl acrylate. But for the structurally related n-butyl acrylate a 21-day chronic toxicity study is available (BASF SE 2009).
A 21-day Daphnia magna Reproduction Test sponsored by The Acrylate REACH Task Force was performed with n-butyl acrylate under semi-static conditions in accordance with OECD TG 211 and GLP regulations (BASF SE, 2009). Nominal test concentrations were 0, 0.1, 0.22, 0.46, 1.0, and 2.2 mg/L. Since the mean values of n-Butyl Acrylate in M4-medium were found to be in the range of 9.3 – 80.0 % of the nominal concentrations, the effect concentrations were based on the time-weighted mean analytically detected concentrations. The most sensitive effect values were concerning reproduction: NOEC (reproduction): 0.136 mg/L; LOEC (reproduction): 0.457 mg/L. Survival of the parent or young daphnia was not affected, but the growth of the parent animals: NOEC (body length): 0.457 mg/L; LOEC (body length): 1.226 mg/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.
