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: 260-906-9
CAS number: 57693-14-8
LC50 (96h) on fish = 3 mg/l
EC50 (48h) on daphnia = 30.2 mg/l
ErC50 (7d) on frond number = 103 mg/l
ErC50 (7d) on dry weight = 73 mg/l
EC50 on microorganisms = 107 mg/l
Short-term toxicity to fish
One key study and four supporting studies
(OECD 203) showed nominal LC50 values between 1 and 10 mg/l. In a fifth
supporting study according with DIN 38 412, LC50 = 10 – 22 mg/l. The
key study was selected based on test procedure and details provided.
Long-term toxicity to fish and daphnia
Long term studies do not need to be
conducted based on column 2 in Annex IX of REACH Regulation (EC
1907/2006): CSA does not indicate the need for further investigations.
Short term toxicity to daphnia
Two studies (OECD 202) were used as key
studies. Both reported EC50 (48h) values between 10 and 100 mg/l.
Toxicity to aquatic plants other than
Test item was found to inhibit the growth
of the monocotyledon Lemna minor after 7 days with the following effect
values (nominal concentrations): EC50 values for growth rate inhibition
of frond number (ErC50) and dry weight (ErdwC50) were 103 mg/l and 73.8
mg/l, respectively; EC50 values for yield inhibition of frond number
(EyC50) and dry weight (EydwC50) were both between 10 and 100 mg/l, i.e.
22.8 mg/L and 17.6 mg/l, respectively.
Toxicity to microorganisms
Studies accoridng to OECD 209 were
available. The key study reported an EC50 of 107 mg/l and a NOEC of 7.81
mg/l; the supporting study reported an EC50 of 32.6 mg/l. The value of
the supporting study was not used for chemical safety assessment as no
data on purity and composition was available.
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