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Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

Administrative data

Endpoint:
toxicity to aquatic algae and cyanobacteria
Type of information:
(Q)SAR
Adequacy of study:
key study
Study period:
2018 March
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
accepted calculation method
Justification for type of information:
QSAR: ECOSAR Version 1.11

Data source

Reference
Reference Type:
other company data
Title:
Unnamed
Year:
2018
Report date:
2018

Materials and methods

Test guideline
Qualifier:
no guideline available
Principles of method if other than guideline:
Calculation with ECOSAR version 1.11
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
-
EC Number:
423-370-9
EC Name:
-
Cas Number:
10097-09-3
Molecular formula:
C19H24N4O2
IUPAC Name:
4,4-Methylenediphenylene-bis(dimethylurea)
impurity 1
Reference substance name:
unknown
IUPAC Name:
unknown
impurity 2
Chemical structure
Reference substance name:
Water
EC Number:
231-791-2
EC Name:
Water
Cas Number:
7732-18-5
Molecular formula:
H2O
IUPAC Name:
Water
Test material form:
solid: bulk

Results and discussion

Effect concentrations
Key result
Duration:
96 h
Dose descriptor:
EC50
Effect conc.:
ca. 1.06 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
growth rate

Applicant's summary and conclusion

Validity criteria fulfilled:
not applicable
Conclusions:
Toxicity of MDI-Uron against alge and Cytobacteria was calculated to be EC50 1.06 mg/l
Executive summary:

Toxicity of MDI-Uron against alge and Cytobacteria was calculated to be EC50 1.06 mg/l