3,4-dichlorobut-1-ene

Toxicity to microorganisms

Administrative data

Endpoint:

activated sludge respiration inhibition testing

Type of information:

experimental study

Adequacy of study:

other information

Study period:

August 23-25, 1999

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

other: GLP - Guideline study

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

1999

Report date:

1999

Materials and methods

Test guideline

Qualifier:

equivalent or similar to guideline

Guideline:

OECD Guideline 209 (Activated Sludge, Respiration Inhibition Test

GLP compliance:

yes

Test material

Test material information

Constituent 1

Reference substance name:

3,4-dichlorobut-1-ene

EC Number:

212-079-0

EC Name:

3,4-dichlorobut-1-ene

Cas Number:

760-23-6

Molecular formula:

C4H6Cl2

IUPAC Name:

3,4-dichlorobut-1-ene

Details on test material:

- Name of test material (as cited in study report): 3,4-Dichlorbuten-1
- purity: > 99.8%

Sampling and analysis

Analytical monitoring:

no

Test organisms

Test organisms (species):

Pseudomonas putida

Study design

Water media type:

freshwater

Total exposure duration:

3 h

Test conditions

Details on test conditions:

Type: aquatic

Results and discussion

Effect concentrations

Duration:

3 h

Dose descriptor:

EC50

Effect conc.:

2 950 mg/L

Nominal / measured:

not specified

Conc. based on:

test mat.

Basis for effect:

inhibition of total respiration

Remarks:

respiration rate