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EC number: 232-482-5
CAS number: 8050-31-5
The 72 h EL50 was > 100 mg/L and the NOEL was 100 mg/L, based on growth rate. The EL50 value was greater than the highest loading rate for all category members tested.
reliable studies are available for this endpoint (Inveresk 2001d,
Inveresk Research, 2001e, Harlan Laboratories, 2014c), using Resin acids
and rosin acids, esters with pentaerythritol, Resin acids and rosin
acids, hydrogenated, Methyl esters and Resin acids and rosin acids,
esters with ethylene glycol. The studies are GLP-compliant and followed
OECD guideline 201, although the method was modified to use water
accommodated fractions (WAF) due to the nature of the test substance.
Analytical verification of test concentrations was only carried out in
the study with Resin acids and rosin acids, esters with ethylene glycol.
However, in all cases results are expressed as nominal loading rates.
In all studies
the EL50 was determined to be greater than the highest loading rate
tested (1000 mg/L for the Inveresk studies and 100 mg/L for the Harlan
Laboratories study). Therefore, an EL50 result of >100 mg/L is
considered to cover all category members.
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