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: 202-597-5
CAS number: 97-63-2
Acute fish: 96 hr LC50 100 mg/L Salmo gairdneri (new name: Oncorhynchus mykiss)
For ethyl methacrylate the study in Onchorynchus mykiss showed a
96 -hr LC50 of 100 mg/L. Data are available for the lower alkyl
methacrylates category which indicate a trend of increasing toxicity (96
h LC50) from the acid and the methyl ester to the ester with
the longest side chain in the category, 2‑EHMA. See the following table:
Summary of short-term effects on fish
Rainbow Trout (Oncorhynchus mykiss)
EPA guideline 660/ 3-75-009a
Fathead Minnow (Pimephales promelas)
Medaka (Oryzias latipes)
(semi-static 24 h)
2.78b, c, d)
(semi-static 24 h)
to OECD 203;bbased on measured concentrations;cdispersant
used;dmost test concentrations were above the limit of
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.
Welcome to the ECHA website. This site is not fully supported in Internet Explorer 7 (and earlier versions). Please upgrade your Internet Explorer to a newer version.
Do not show this message again