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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
Remarks:
The sample was sent to Ramachandra Innovis, Sri Ramachandra medical Centre, Chennai-600116, India
Type of information:
experimental study
Adequacy of study:
key study
Study period:
34 Days
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2012
Report date:
2012

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 202 (Daphnia sp. Acute Immobilisation Test)
Version / remarks:
April 13, 2004
Deviations:
no
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
2-(2,4-Dimethylcyclohex-3-ene-1-yl)-5-methyl-(1-methylpropyl)-1,3-dioxane
EC Number:
601-499-3
Cas Number:
117933-89-8
Molecular formula:
C17H30O2
IUPAC Name:
2-(2,4-Dimethylcyclohex-3-ene-1-yl)-5-methyl-(1-methylpropyl)-1,3-dioxane
Test material form:
liquid

Sampling and analysis

Analytical monitoring:
yes

Test solutions

Vehicle:
yes
Remarks:
Acetone

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

Test temperature:
21.0 - 21.4°C
pH:
8.5
Dissolved oxygen:
8.3
Reference substance (positive control):
yes

Results and discussion

Effect concentrations
Key result
Duration:
48 h
Dose descriptor:
EC50
Effect conc.:
>= 100 - <= 100 mg/L
Nominal / measured:
estimated
Conc. based on:
test mat.
Basis for effect:
mobility

Applicant's summary and conclusion

Validity criteria fulfilled:
yes
Conclusions:
2-(2,4-Dimethylcyclohex-3-ene-1-yl)-5-methyl-(1-methylpropyl)-1,3-dioxane did not cause any or significant immobilization or toxic effects in any of the Daphnia groups during the test period.
The EC50 of 2-(2,4-Dimethylcyclohex-3-ene-1-yl)-5-methyl-(1-methylpropyl)-1,3-dioxane was found to be greater than 100mg per litre.
The complete study was performed in compliance with OECD guidelines number 202.