Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
fish life cycle toxicity
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1976
Report date:
1973

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
EPA OPPTS 850.1500 (Fish Life Cycle Toxicity)
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
4-(tert-butyl)-N-sec-butyl-2,6-dinitroaniline
EC Number:
251-607-4
EC Name:
4-(tert-butyl)-N-sec-butyl-2,6-dinitroaniline
Cas Number:
33629-47-9
Molecular formula:
C14H21N3O4
IUPAC Name:
N-sec-butyl-4-tert-butyl-2,6-dinitroaniline
impurity 1
Chemical structure
Reference substance name:
Xylene
EC Number:
215-535-7
EC Name:
Xylene
Cas Number:
1330-20-7
Molecular formula:
C8H10
IUPAC Name:
m-xylene

Test organisms

Test organisms (species):
Pimephales promelas

Study design

Total exposure duration:
304 h

Test conditions

Hardness:
32-44 mg/L
pH:
7.1 - 7.6
Dissolved oxygen:
6.3 - 9.2 mg/L
Nominal and measured concentrations:
Nominal concentration (mg/L) : 16, 31, 63, 125, 250
Mean measured concentrations (mg/L) : 11 +/- 4, 22 +/- 7, 44 +/- 15, 94 +/- 49, 233 +/- 56

Results and discussion

Effect concentrations
Key result
Duration:
304 d
Dose descriptor:
NOEC
Effect conc.:
44 µg/L
Basis for effect:
adult mortality

Applicant's summary and conclusion