Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Administrative data

Endpoint:
toxicity to microorganisms
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: limited documentation

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1987
Report date:
1987

Materials and methods

Principles of method if other than guideline:
ETAD method: "Determination of damage to effluent bacteria by the fermentation tube method"
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
4-nitrobenzoic acid
EC Number:
200-526-2
EC Name:
4-nitrobenzoic acid
Cas Number:
62-23-7
Molecular formula:
C7H5NO4
IUPAC Name:
4-nitrobenzoic acid

Sampling and analysis

Analytical monitoring:
no

Test solutions

Details on test solutions:
Preparation of the stock solution: 5 g/L test substance was stirred for 24 h in deionized water to prepare a saturated solution. Appr. 3 g/L were dissolved.

Test organisms

Test organisms (species):
activated sludge, domestic

Study design

Total exposure duration:
24 h

Results and discussion

Effect concentrationsopen allclose all
Duration:
24 h
Dose descriptor:
EC0
Effect conc.:
100 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Duration:
24 h
Dose descriptor:
EC50
Effect conc.:
200 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.

Applicant's summary and conclusion