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Ecotoxicological information

Short-term toxicity to aquatic invertebrates

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Link to relevant study record(s)

Reference
Endpoint:
short-term toxicity to aquatic invertebrates
Type of information:
read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
key study
Justification for type of information:
see attached justification
Reason / purpose:
read-across source
GLP compliance:
yes
Test organisms (species):
Daphnia magna
Test type:
semi-static
Water media type:
freshwater
Limit test:
no
Total exposure duration:
48 h
Duration:
24 h
Dose descriptor:
EC50
Effect conc.:
0.47 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
mobility
Key result
Duration:
48 h
Dose descriptor:
EC50
Effect conc.:
0.22 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
mobility
Key result
Duration:
48 h
Dose descriptor:
NOEC
Effect conc.:
0.031 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
behaviour
Remarks:
mobility
Details on results:
% Concentration loss over test: ...100
Validity criteria fulfilled:
yes
Conclusions:
The estimated 48-h EC50 of HIDT, read across from DMPT and corrected for molecular weight, is 0.31 mg/L. The substance is thus classified as Aquatic Acute 1.

Description of key information

The estimated 48-h EC50 of HIDT, read across from DMPT and corrected for molecular weight, is 0.31 mg/L. The substance is thus classified as Aquatic Acute 1.

Key value for chemical safety assessment

EC50/LC50 for freshwater invertebrates:
0.31 mg/L

Additional information