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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
2 (reliable with restrictions)

Data source

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

Materials and methods

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

Test material

Constituent 1
Chemical structure
Reference substance name:
Methyloxirane
EC Number:
200-879-2
EC Name:
Methyloxirane
Cas Number:
75-56-9
Molecular formula:
C3H6O
IUPAC Name:
2-methyloxirane

Test organisms

Test organisms (species):
Daphnia magna

Study design

Test type:
static
Total exposure duration:
48 h

Results and discussion

Effect concentrationsopen allclose all
Duration:
24 h
Dose descriptor:
EC50
Effect conc.:
650 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Duration:
48 h
Dose descriptor:
EC50
Effect conc.:
350 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.

Applicant's summary and conclusion