2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-methoxyphenyl)-3-oxobutyramide]

Short-term toxicity to aquatic invertebrates

Administrative data

Endpoint:

short-term toxicity to aquatic invertebrates

Adequacy of study:

other information

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2002

Report date:

2002

Materials and methods

Test material

Test material information

Constituent 1

Reference substance name:

2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-oxo-N-phenylbutyramide]

EC Number:

228-787-8

EC Name:

2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-oxo-N-phenylbutyramide]

Cas Number:

6358-85-6

IUPAC Name:

2,2'-[(3,3'-dichlorobiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis(3-oxo-N-phenylbutanamide)

Study design

Total exposure duration:

48 h

Post exposure observation period:

not applicable

Test conditions

Hardness:

250 mg/L expressed as CaCO3

Test temperature:

Blank control during the study: 19.6 - 20.4°C

pH:

At t=0h and t=48h
Control: 7.8 - 7.8
Test samples: 7.8 - 7.9

Dissolved oxygen:

At t=0h and t=48h [mg/L]
Control: 7.8 - 8.0
Test samples: 8.2 - 8.5

Salinity:

not applicable

Nominal and measured concentrations:

As the submission substance was insoluble in water (< 10µg/L), analytical verification was impossible due to sensitivity limitations. Therefore, in a limit test the nominal substance concentration of 100 mg/L in test medium was applied after filtration through a 0.45 µm membrane filter.

Results and discussion

Effect concentrations

Effect concentrations 1

Duration:

48 h

Effect conc.:

> 100 mg/L

Effect concentrations 2

Duration:

48 h

Effect conc.:

100 mg/L