2,2'-((3,3',5,5'-tetramethyl-(1,1'-biphenyl)-4,4'-diyl)-bis(oxymethylene))-bis-oxirane

Long-term toxicity to aquatic invertebrates

Administrative data

Endpoint:

long-term toxicity to aquatic invertebrates

Type of information:

experimental study

Adequacy of study:

key study

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2001

Report date:

2001

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

OECD Guideline 211 (Daphnia magna Reproduction Test)

Deviations:

no

Test material

Test material information

Constituent 1

Test organisms

Test organisms (species):

Daphnia magna

Study design

Test type:

semi-static

Water media type:

freshwater

Limit test:

no

Total exposure duration:

21 d

Test conditions

Reference substance (positive control):

not specified

Results and discussion

Effect concentrations

Effect concentrations 1

Duration:

14 d

Dose descriptor:

EC50

Effect conc.:

> 0.14 mg/L

Nominal / measured:

meas. (TWA)

Conc. based on:

test mat.

Basis for effect:

immobilisation

Effect concentrations 2

Duration:

21 d

Dose descriptor:

EC50

Effect conc.:

0.092 mg/L

Nominal / measured:

meas. (TWA)

Conc. based on:

test mat.

Basis for effect:

immobilisation

Remarks on result:

other:

Effect concentrations 3

Duration:

21 d

Dose descriptor:

EC50

Effect conc.:

> 0.055 - < 0.14 mg/L

Nominal / measured:

meas. (TWA)

Conc. based on:

test mat.

Basis for effect:

reproduction

Remarks on result:

other:

Effect concentrations 4

Duration:

21 d

Dose descriptor:

LOEC

Effect conc.:

0.14 mg/L

Nominal / measured:

meas. (TWA)

Conc. based on:

test mat.

Basis for effect:

immobilisation

Effect concentrations 5

Duration:

21 d

Dose descriptor:

NOEC

Effect conc.:

0.055 mg/L

Nominal / measured:

meas. (TWA)

Conc. based on:

test mat.

Basis for effect:

reproduction

Applicant's summary and conclusion

Validity criteria fulfilled:

yes