Dibutyl carbonate

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)

Rationale for reliability incl. deficiencies:

guideline study

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2002

Report date:

2002

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:

Dibutyl carbonate

EC Number:

208-816-0

EC Name:

Dibutyl carbonate

Cas Number:

542-52-9

Molecular formula:

C9H18O3

IUPAC Name:

dibutyl carbonate

Sampling and analysis

Analytical monitoring:

yes

Test solutions

Vehicle:

no

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

Test temperature:

room temperature over the test exposure was between 20.8 and 21.2°C.

pH:

8.0

Dissolved oxygen:

7.9 - 9.1 mg/l

Details on test conditions:

TEST SYSTEM
- No. of vessels per concentration (replicates): 4
- No. of vessels per control (replicates): 4

Reference substance (positive control):

yes

Remarks:

potassium dichromate

Results and discussion

Effect concentrations

Key result

Duration:

48 h

Dose descriptor:

EC50

Effect conc.:

68.5 mg/L

Nominal / measured:

nominal

Conc. based on:

test mat.

Basis for effect:

mobility

Remarks on result:

other: 54.2 - 94.4 mg/l 95% CL

Applicant's summary and conclusion

Validity criteria fulfilled:

yes

Executive summary:

Administrative data: add

- Purpose flag if key study

- "used for MSDS" if key study

- data: Study period if possible, otherwise delete entry

Data source:

- add year

- add date

- add company study number or report number if stated

- Check performing laboratory

Test material: add

- CAS #

- Name of test material (as cited in study report)

- Analytical purity, physical state?

Vehicle: yes/no?

Test conditions: check

- Test temperature

- pH

- Dissolved oxygen

- nominal and measured concentrations

- Details on test conditions

- No of vessels per concentration

- No of vessels per control

Results and discussion: add

- Effect concentrations

Any other information on results incl. tables:

- fill in table, replace ConcX with the real test concentrations