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EC number: 204-881-4
CAS number: 128-37-0
Long term toxicity to fish study according to GLP-standards and OECD
guideline 210. The NOEC of BHT in Oryzias latipes was 0.053 mg/L and the
LOEC was 0.14 mg/L.
Long term toxicity to aquatic invertebrates according to OECD guideline
211 and GLP standards. The 21 -day NOEC of BHT in Daphnia Magna was
0.069 mg/L and the 21 -day EC50 was 0.096 mg/L.
Based on the available ecotoxicological information:
Short-term toxicity to fish: The estimated 96-h LC50 for fish is 0.199
mg/l (ECOSAR v1.00a, phenols class).
Short-term toxicity to aquatic invertebrates: The 48-Hour EC50 based on
the geometric mean measured test concentrations was 0.48 mg/L with 95%
confidence limits of 0.39 - 0.70 mg/L and the No Observed Effect
Concentration was 0.15 mg/L.
Toxicity to aquatic algae: The estimated 96-h EC50 for green algae is
0.758 mg/l (ECOSAR v1.00a, phenols class).
Since the values are below 1 mg/L and the substance is considered as not
readily biodegradable and has a log Pow greater than 4, the substance is
classified as follows:
Hazardous to the aquatic environment, Chronic Hazard Category 1 and
Acute Hazard Category 1 (M-factor 1).
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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