2-nitroaniline

Toxicity to aquatic algae and cyanobacteria

Administrative data

Endpoint:

toxicity to aquatic algae and cyanobacteria

Type of information:

experimental study

Adequacy of study:

key study

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

other: Study described shortly but sufficient for assessment

Data source

Reference

Reference Type:

publication

Title:

Unnamed

Year:

1996

Materials and methods

Test guideline

Qualifier:

no guideline followed

Principles of method if other than guideline:

No guideline followed

GLP compliance:

no

Test material

Test material information

Constituent 1

Reference substance name:

2-nitroaniline

EC Number:

201-855-4

EC Name:

2-nitroaniline

Cas Number:

88-74-4

Molecular formula:

C6H6N2O2

IUPAC Name:

2-nitroaniline

Details on test material:

- Name of test material (as cited in study report): Nitrobenzene
- Analytical purity: no data

Sampling and analysis

Analytical monitoring:

no

Test solutions

Vehicle:

no

Test organisms

Test organisms (species):

other: Scenedesmus obliquus

Study design

Test type:

static

Water media type:

freshwater

Limit test:

no

Total exposure duration:

96 h

Test conditions

Details on test conditions:

TEST SYSTEM
- Test vessel:
- Type (delete if not applicable): closed
- Material, size, headspace, fill volume: 100 ml sterile flasks
- Initial cells density: 10E+04 cells/mL
- No. of vessels per concentration (replicates): 3
- No. of vessels per control (replicates): 3

GROWTH MEDIUM
- Standard medium used: no data

OTHER TEST CONDITIONS
- Sterile test conditions: yes
- Adjustment of pH: no data
- Photoperiod: 12:12
- Light intensity and quality: 4000 Lux

Reference substance (positive control):

no

Results and discussion

Effect concentrations

Duration:

96 h

Dose descriptor:

EC50

Effect conc.:

64.6 mg/L

Nominal / measured:

nominal

Conc. based on:

test mat.

Basis for effect:

growth rate