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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
02 July 2002- 29 August 2002
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2002
Report date:
2002

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 202 (Daphnia sp. Acute Immobilisation Test)
Qualifier:
according to guideline
Guideline:
other: EECdirective 92/69, Part C: Methods for the determination of ecotoxicity, Publication No. L383, December 1992, C.2. "Acute Toxicity for Daphnia"
GLP compliance:
yes

Test material

Constituent 1
Reference substance name:
00945
IUPAC Name:
00945
Test material form:
solid: particulate/powder
Remarks:
migrated information: powder

Sampling and analysis

Analytical monitoring:
yes

Test solutions

Vehicle:
no

Test organisms

Test organisms (species):
Daphnia magna

Study design

Test type:
static
Water media type:
freshwater
Limit test:
yes
Total exposure duration:
48 h

Test conditions

Hardness:
No Data
Test temperature:
The temperature of the test medium measured in the blank-control during the limit study varied from 19.7 to 20.7 degree celsius.
pH:
The pH during the limit test varied from 7.9 to 8.1.
Dissolved oxygen:
The dissolved oxygen level varied from 9.0 to 9.6 mg/l
Salinity:
No Data
Nominal and measured concentrations:
A limit test was performed with Daphnia exposed to a filtered and an unfiltered supersaturated solution both prepared at nominal 100mg/l without any additive. The blank/control was a test medium without test substance ot other additives (0mg/l)
Reference substance (positive control):
yes
Remarks:
Test medium without test substance or other additives.

Results and discussion

Effect concentrations
Duration:
48 h
Dose descriptor:
EC50
Effect conc.:
> 100 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
mobility
Results with reference substance (positive control):
In the control, no Daphnia became immobilised or trapped at the surface of the water.

Applicant's summary and conclusion

Validity criteria fulfilled:
yes
Conclusions:
EC50 >100mg/L at 48h
Executive summary:

EC50 >100mg/L at 48h