Phenol, 4-[(1E,3S)-3-ethenyl-3,7-dimethyl-1,6-octadien-1-yl]-

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:

1 (reliable without restriction)

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2019

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

OECD Guideline 202 (Daphnia sp. Acute Immobilisation Test)

GLP compliance:

yes (incl. QA statement)

Test material

Test material information

Constituent 1

Reference substance name:

4-[(1E,3S)-3-ethenyl-3,7-dimethylocta-1,6-dien-1-yl]phenol

EC Number:

685-515-4

Cas Number:

10309-37-2

Molecular formula:

C18H24O

IUPAC Name:

4-[(1E,3S)-3-ethenyl-3,7-dimethylocta-1,6-dien-1-yl]phenol

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:

no

Total exposure duration:

48 h

Test conditions

Hardness:

184.8 mg/L as CaCO3

Test temperature:

20-21.4

pH:

6.70-7.97

Dissolved oxygen:

8.22-8.90 mg/L

Nominal and measured concentrations:

0.1, 0.2, 0.4, 0.8 and 1.5 mg/L

Reference substance (positive control):

yes

Remarks:

Potassium dichromate

Results and discussion

Effect concentrations

Key result

Duration:

48 h

Dose descriptor:

EC50

Effect conc.:

ca. 0.2 mg/L

Nominal / measured:

nominal

Conc. based on:

test mat.

Basis for effect:

mobility

Details on results:

Percent immobilisation observed at 48 h was 0, 40, 90, 100 and 100 at 0.1, 0.2 0.4, 0.8 and 1.5 mg/L, respectively. No immobility was observed in any replicate of the control and vehicle control group.

Applicant's summary and conclusion

Validity criteria fulfilled:

yes