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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Ecotoxicological information

Short-term toxicity to aquatic invertebrates

Currently viewing:

Administrative data

Endpoint:
short-term toxicity to aquatic invertebrates
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Data form international report

Data source

Reference
Reference Type:
review article or handbook
Title:
SIDS INITIAL ASSESSMENT PROFILE
Author:
OECD
Year:
2011
Bibliographic source:
UNEP publications
Report date:
2011

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 202 (Daphnia sp. Acute Immobilisation Test)
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Thiophene
EC Number:
203-729-4
EC Name:
Thiophene
Cas Number:
110-02-1
Molecular formula:
C4H4S
IUPAC Name:
thiophene

Test organisms

Test organisms (species):
Daphnia magna

Study design

Total exposure duration:
48 h

Results and discussion

Effect concentrations
Duration:
48 h
Dose descriptor:
EC50
Effect conc.:
21 mg/L
Nominal / measured:
meas. (not specified)
Conc. based on:
not specified
Basis for effect:
not specified

Applicant's summary and conclusion

Conclusions:
The reported EC50 48h for daphnia magna is 21 mg/l based on a OECD n°202 study.