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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

The 72h-EC50 of DMPT for algae is 1.5 mg/l, which indicates that the substance is moderately toxic to algae. 

Key value for chemical safety assessment

EC50 for freshwater algae:
1.5 mg/L
EC10 or NOEC for freshwater algae:
0.125 mg/L

Additional information

The non-GLP OECD 201 test was considered to be of sufficient quality and accuracy to assess the toxicity of DMPT to the green algae.