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EC number: 202-486-1
CAS number: 96-18-4
Summary of the results after 21 days of exposure of the test animals:
Concentration of the test item (mg/l)#
The effect concentration of chronic toxicity to daphnia magna was determined as EC10=6.0 (1.3-7.5) mg/L (arithmetic mean measured concentration) based on effects on reproduction and growth.
Two relevant long term test with Daphnia magna are available for
1,2,3 -trichlorpropane. One test is deemed reliable and useful for risk
assessment (Klimish score = 1). In this test, D. magna were
exposed to five concentrations of trichloropropane (99.7%) ranging from
0.91 - 28 mg/L and control dilution water for 21 days in a static
renewal test design. Growth and reproduction rate were reduced at
9.6mg/L (arithmetic mean measured concentration) to a statistically
significant degree. The NOEC in this study is 4.5 mg/L and the EC10 is
6.0 mg/L (1.3–7.5 mg/L).
One other long-term toxicity value of TCP using a marine
invertebrate (Chaetogammarus marinus) is available (Kooijman
1981). The reported endpoint is a 21-day LC50
of 20 mg/L (Kielhorn et al 2003). No NOEC is reported from this study.
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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