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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Short-term toxicity to aquatic invertebrates

Administrative data

Endpoint:
short-term toxicity to aquatic invertebrates
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: data from ELINCS notification dossier approved by MSCA

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed
Year:
1997
Report date:
1997

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: Directive 92/69/EEC, C.2
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
1-phenyl-3-(p-toluenesulfonyl)urea
EC Number:
424-620-1
EC Name:
1-phenyl-3-(p-toluenesulfonyl)urea
Cas Number:
13909-63-2
Molecular formula:
C14H14N2O3S
IUPAC Name:
3-(4-methylbenzenesulfonyl)-1-phenylurea

Test solutions

Details on test solutions:
Identity and concentration of auxiliary solvent for dispersal: The substance was tested as aqueous dispersion.

Test organisms

Test organisms (species):
Daphnia magna

Test conditions

Hardness:
CA 270 mg CaC03/L

Results and discussion

Effect concentrationsopen allclose all
Duration:
24 h
Dose descriptor:
EC50
Effect conc.:
65 mg/L
Nominal / measured:
nominal
Duration:
48 h
Dose descriptor:
EC50
Effect conc.:
23 mg/L
Nominal / measured:
nominal
Duration:
48 h
Dose descriptor:
EC100
Effect conc.:
> 23 mg/L
Nominal / measured:
nominal
Duration:
48 h
Dose descriptor:
NOEC
Effect conc.:
10 mg/L
Nominal / measured:
nominal
Details on results:
%Concentration loss over test: 0

Applicant's summary and conclusion