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Ecotoxicological information

Short-term toxicity to fish

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Link to relevant study record(s)

Description of key information

Experimental data on Short Term Toxicity to Fish was available for 1 stream within this Category. The 96h LL50 was 1.1 mg/L (WAF).

Petrotox QSAR results for substances within the category for short term toxicity (EL50) for fish ranged from 5.54 -19.05 mg/L.

Key value for chemical safety assessment

Fresh water fish

Fresh water fish
Effect concentration:
1.1 mg/L

Additional information

All experimental short term toxicity to fish data came from ExxonMobil (2003).

CAS No 68513-69-9 and 68921-67-5: The 96-hour LL50 was reported to be 1.1 mg/L, and LC50 1.0 mg/L. The study was GLP compliant and followed a standard guideline, and is therefore considered reliable and suitable for use as a key study. Although the LC50 was reported to be 1.0 mg/L, as the test substance is a hydrocarbon stream with various components the reporting of a measured concentration does not relate to the concentration of a raw stream. The results reported as WAF were used instead as they better represent the potential toxicity of the test substance.

Petrotox QSAR results on substances within the category for short term toxicity (EL10) for fish had results ranged from 5.54 - 19.05 mg/L.