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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Study period:
2012-2013
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2013
Report date:
2013

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 202 (Daphnia sp. Acute Immobilisation Test)
GLP compliance:
yes (incl. QA statement)

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
solid: particulate/powder
Remarks:
migrated information: powder
Details on test material:
see study report

Sampling and analysis

Analytical monitoring:
yes

Test solutions

Vehicle:
not specified

Test organisms

Test organisms (species):
Daphnia magna

Study design

Test type:
static
Water media type:
freshwater
Limit test:
yes
Total exposure duration:
48 h
Post exposure observation period:
24 and 48 h

Test conditions

Test temperature:
room temperature
pH:
Not determined
Reference substance (positive control):
yes
Remarks:
1.2-Dimethoxyethane

Results and discussion

Effect concentrationsopen allclose all
Duration:
24 h
Dose descriptor:
EL10
Effect conc.:
ca. 33.47 mg/L
Nominal / measured:
nominal
Conc. based on:
dissolved
Remarks:
50-130 mg/L
Basis for effect:
mobility
Remarks on result:
other: 24.22-40.05
Duration:
24 h
Dose descriptor:
other: EL 20
Effect conc.:
ca. 38.49 mg/L
Nominal / measured:
nominal
Conc. based on:
dissolved
Remarks:
50-130 mg/L
Basis for effect:
mobility
Remarks on result:
other: 29.69-45.08
Duration:
24 h
Dose descriptor:
EL50
Effect conc.:
ca. 50.29 mg/L
Nominal / measured:
nominal
Conc. based on:
dissolved
Remarks:
50-130 mg/L
Basis for effect:
mobility
Remarks on result:
other: 42.52-58.30
Duration:
24 h
Dose descriptor:
other: LOEL
Effect conc.:
ca. 80 mg/L
Nominal / measured:
nominal
Conc. based on:
not specified
Basis for effect:
mortality
Duration:
24 h
Dose descriptor:
other: NOEL
Effect conc.:
ca. 40 mg/L
Nominal / measured:
nominal
Conc. based on:
not specified
Basis for effect:
not specified
Duration:
48 h
Dose descriptor:
EL10
Effect conc.:
ca. 18.64 mg/L
Nominal / measured:
nominal
Conc. based on:
dissolved
Remarks:
50-130 mg/L
Basis for effect:
mobility
Remarks on result:
other: 13.43-22.11
Duration:
48 h
Dose descriptor:
other: EL20
Effect conc.:
ca. 21.24 mg/L
Nominal / measured:
nominal
Conc. based on:
dissolved
Remarks:
50-130 mg/L
Basis for effect:
mobility
Remarks on result:
other: 16.45-24.76
Duration:
48 h
Dose descriptor:
EL50
Effect conc.:
ca. 27.27 mg/L
Nominal / measured:
nominal
Conc. based on:
dissolved
Remarks:
50-130 mg/L
Basis for effect:
mobility
Remarks on result:
other: 23-19-32.14
Duration:
48 h
Dose descriptor:
other: LOEL
Effect conc.:
ca. 40 mg/L
Nominal / measured:
nominal
Conc. based on:
not specified
Basis for effect:
not specified
Duration:
48 h
Dose descriptor:
other: NOEL
Effect conc.:
ca. 20 mg/L
Nominal / measured:
nominal
Conc. based on:
not specified
Basis for effect:
not specified

Applicant's summary and conclusion

Validity criteria fulfilled:
yes
Conclusions:
In the control without any test item no dead animals were observed. In the test solutions the oxygen concentration did not drop below a value of 60% of saturation value ( ≈ 5 mgO2/L).