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PBT assessment

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PBT assessment: overall result

Reference
Name:
Methyl hydroquinone
Type of composition:
legal entity composition of the substance
State / form:
solid: particulate/powder
Reference substance:
Methyl hydroquinone
PBT status:
the substance is not PBT / vPvB
Justification:

2 -Methylhydroquinone is not readily biodegradable in the screening test. No valid predictions can be made with respect to the criteria given in Annex VIII.

Due to a low log Pow = 0.9 a remarkable bioaccumulation potential is not expected.

The substance It is acute toxic to aquatic environment: toxicity to fish is LC50 - 1,2 mg/l (No effects at 0.7 mg/l) and Daphnia EC50 - 0,35 mg/L, the EC50 algea - 2.3 mg/L, NOAEC for fish, daphnia and algea were not derived.

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