Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
short-term toxicity to fish
Type of information:
experimental study
Adequacy of study:
key study
Study period:
no data
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Test compliant with GLP and Guideline OECD 203

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed
Year:
1988

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 203 (Fish, Acute Toxicity Test)
Deviations:
not specified
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
2-methyl-1-(4-methylthiophenyl)-2-morpholinopropan-1-one
EC Number:
400-600-6
EC Name:
2-methyl-1-(4-methylthiophenyl)-2-morpholinopropan-1-one
Cas Number:
71868-10-5
Molecular formula:
C15H21NO2S
IUPAC Name:
2-methyl-1-(4-methylthiophenyl)-2-morpholinopropan-1-one

Test solutions

Details on test solutions:
Identity and concentration of auxiliary solvent for dispersal: 330.9 mg/l Dioxane and 3.2 mg/l Arkopal

Test organisms

Test organisms (species):
other: Zebra fish

Study design

Test type:
semi-static

Results and discussion

Effect concentrationsopen allclose all
Duration:
24 h
Dose descriptor:
LC50
Effect conc.:
12 mg/L
Basis for effect:
mortality (fish)
Duration:
48 h
Dose descriptor:
LC50
Effect conc.:
9 mg/L
Basis for effect:
mortality (fish)
Duration:
72 h
Dose descriptor:
LC50
Effect conc.:
9 mg/L
Basis for effect:
mortality (fish)
Duration:
96 h
Dose descriptor:
LC50
Effect conc.:
9 mg/L
Basis for effect:
mortality (fish)
Duration:
96 h
Dose descriptor:
NOEC
Effect conc.:
5.8 mg/L
Details on results:
%Concentration loss over test: 10...40

Applicant's summary and conclusion