Registration Dossier
Registration Dossier
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EC number: 202-680-6 | CAS number: 98-55-5
Short-term toxicity to aquatic invertebrates
Administrative data
Link to relevant study record(s)
Description of key information
A GLP-compliant OECD Guideline 202 study with Daphnia magna is available for Terpineol multi (a multi-constituent substance with alpha-Terpineol as its main constituent and gamma-Terpineol as the minor constituent). Daphnids (20/dose) were exposed to nominal concentrations of 40, 48, 58, 69, 83 and 100 mg/L Terpineol multi under static conditions for 48 hours. The 69 and 100 mg/L test concentrations were analytically verified at t=0 and t=48 -h. At t=0 about 70% of nominal was detected. Concentrations remained constant throughout the test. From a concentration of 48 mg/L immobilisation was noted in 3/20 daphnids which increased to 15/20 animals at the highest concentration tested. Based on these findings the 48-h EC50 value is 73 mg/L (based on nominal concentrations).
Key value for chemical safety assessment
Fresh water invertebrates
Fresh water invertebrates
- Effect concentration:
- 73 mg/L
Additional information
The results of Terpineol multi can be used for alpha-Terpineol because the read-across candidate Terpineol multi(a multi-constituent substance with alpha-Terpineol as its main constituent and gamma-Terpineol as the minor constituent). The minor constituent is gamma-Terpineol is thought to have similar ecotoxicity because it has a very similar chemical structure and also belongs to the neutral organics (See IUCLID section 7.1 for constituents).
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