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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Administrative data

Endpoint:
short-term toxicity to aquatic invertebrates
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2001

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:
EU Method C.2 (Acute Toxicity for Daphnia)
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
α,α-dimethylphenethyl acetate
EC Number:
205-781-3
EC Name:
α,α-dimethylphenethyl acetate
Cas Number:
151-05-3
Molecular formula:
C12H16O2
IUPAC Name:
1,1-dimethyl-2-phenylethyl acetate
Test material form:
liquid

Test organisms

Test organisms (species):
Daphnia magna

Study design

Test type:
static
Water media type:
other: Dilution water
Total exposure duration:
48 h

Results and discussion

Effect concentrationsopen allclose all
Key result
Duration:
24 h
Dose descriptor:
EC10
Effect conc.:
ca. 12.2 mg/L
Key result
Duration:
48 h
Dose descriptor:
EC10
Effect conc.:
ca. 10.1 mg/L
Key result
Duration:
24 h
Dose descriptor:
EC50
Effect conc.:
ca. 21.3 mg/L
Key result
Duration:
48 h
Dose descriptor:
EC50
Effect conc.:
ca. 15.4 mg/L
Key result
Duration:
24 h
Dose descriptor:
EC100
Effect conc.:
ca. 100 mg/L
Key result
Duration:
48 h
Dose descriptor:
EC100
Effect conc.:
ca. 50 mg/L

Applicant's summary and conclusion