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EC number: 237-159-2
CAS number: 13674-87-8
Not all of identified test data on TDCO are considered acceptable
for determining PNEC values or for setting an environmental
classification. Only the acceptable data have been used for the purposes
of determining a PNECaquatic.
The lowest values available for the
preferred end points are as follows:
toxicity to fish: 96hr
toxicity to invertebrates: 48hr
toxicity to algae: 72hr
toxicity to fish (6 months growth and reproduction test): 6m NOECweight
= 2 µg/L
toxicity to invertebrates (21day repro test): 21day
toxicity to algae: 72hr
2.3 mg/ L (NOEC
to WWTP micro-organisms: EC50 =
Fish were marginally more susceptible to TDCP in the acute tests
than the invertebrate,Daphnia magna, and the two species of
algae. Long-term data for the fish D.rerio showed that fish were
several orders of magnitude more sensitive than invertebrates/algae when
Based on this data TDCP has been classified as H410: Very toxic to
aquatic life with long lasting effects. (Aq.Chronic Cat.1).
As TBCP is not considered as rapidly biodegradable, a chronic M-factor
of 10 is applicable.
Additional information for the terrestrial compartment
The lowest toxicity values (corrected,
where appropriate, for standardised organic matter content of 3.4% and a
conversion factor of 1.13 for transforming results from a dry weight to
wet weight basis) are as follows:
toxicity to earthworms (Eisenia foetida): 14d
26 mg/kg dw =
23 mg/kg ww
toxicity to earthworms (Eisenia foetida): 57d
NOECrepro= 3.3 mg/kg dw =
2.9 mg/kg ww
to plants (Sinapis alba): NOECemergence =
19 mg/kg dw =
17 mg/kg ww
to soil micro-organisms (nitrifying micro-organisms in sandy loam soil): 28d
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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