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EC number: 627-083-1
CAS number: 244235-47-0
Biodegradation: not readily biodegradable: 0% in 28 d (ISO 10708)
Bioaccumulation: BCF = 159 (OECD 305, read across)
Aquatic short-term toxicity
96 h, LC50 (Brachydanio rerio): 0.46 mg/L (EU method C.1)
48 h, EL50 (Daphnia magna): 9.55 mg/L (OECD 202)
72 h, ErL50 (Desmodesmus subspicatus): > 100 mg/L (OECD
Aquatic long-term toxicity
34d, NOEC (Danio rerio): 0.00427 mg/L (OECD 210, read
21 d, NOEL (Daphnia magna): 2.8 mg/L
72 h, NOELR (Desmodesmus subspicatus): ≥ 100 mg/L (OECD 201)
Based on the data above, Ethanone, 1-(2-hydroxy-5-nonylphenyl)-,
oxime, branched (CAS 244235-47-0) is not considered to be rapidly
degradable. The bioaccumulation potential is low. Acute aquatic toxicity
was observed below 1 mg/L. Valid chronic data are available with a NOELR
(72 h) ≥ 100 mg/L for Desmodesmus subspicatus, a 21d-NOEL
of 2.8 mg/L for Daphnia magna and a 34d-NOEC of < 0.1 mg/L (=
0.00427 mg/L) for the read across substance Benzaldehyde,
2-hydroxy-5-nonyl-, oxime, branched (CAS 174333-80-3). Therefore,
Ethanone, 1-(2-hydroxy-5-nonylphenyl)-, oxime, branched (CAS
244235-47-0) needs to be classified and labelled as environmental hazard
acute Cat.1 (M = 1) and Chronic Cat. 1 (M = 10) according to the 2nd ATP
of the Regulation (EC) No.1272/2008 (CLP).
The acute toxicity is below 1 mg/L and the substance is not
readily biodegradable. Therefore,Ethanone, 1-(2-hydroxy-5-nonylphenyl)-,
oxime, branched (CAS 244235-47-0) needs to be classified and labelled as
environmental hazardous (R50/53) according to Directive 67/548/EEC.
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.
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