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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

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Administrative data

Link to relevant study record(s)

Description of key information

A proprietary study is available.

Key value for chemical safety assessment

EC50 for freshwater algae:
901 mg/L
EC10 or NOEC for freshwater algae:
127.9 mg/L

Additional information

The acute toxicity of triethyl phosphate was investigated in Scenedesmus subspicatus. The 72 -hour EC10, EC50 and EC90 values were calculated to be 127, 901 and 6396 mg/L, respectively (Bayer, 1987).