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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1984

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: EPA-660/3-75-009, "Methods for acute toxicity with fish, macroinvertebrates and amphibians", 1975
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
2,4-dinitrotoluene
EC Number:
204-450-0
EC Name:
2,4-dinitrotoluene
Cas Number:
121-14-2
Molecular formula:
C7H6N2O4
IUPAC Name:
1-methyl-2,4-dinitrobenzene
Details on test material:
- Name of test material (as cited in study report): 2,4-Dinitotoluene
- Analytical purity: >= 95%

Sampling and analysis

Analytical monitoring:
yes

Test substrate

Vehicle:
not specified

Test organisms

Test organisms (species):
Lumbriculus variegatus

Study design

Study type:
laboratory study
Test type:
flow-through
Water media type:
freshwater
Exposure duration
Duration:
96 h
Exposure phase:
total exposure duration

Test conditions

Hardness:
45 mg/l as CaCO3
Test temperature:
21°C
pH:
7.0 - 7.6
Dissolved oxygen:
7.7 - 8.5 mg/L
Details on test conditions:
- alkalinity: 55 mg/l as CaCO3
Reference substance (positive control):
not specified

Results and discussion

Effect concentrationsopen allclose all
Duration:
96 h
Dose descriptor:
LC50
Effect conc.:
47.2 mg/L
Nominal / measured:
meas. (not specified)
Conc. based on:
test mat.
Basis for effect:
mortality
Duration:
48 h
Dose descriptor:
LC50
Effect conc.:
80.9 mg/L
Nominal / measured:
meas. (not specified)
Conc. based on:
test mat.
Basis for effect:
mortality
Duration:
24 h
Dose descriptor:
LC50
Effect conc.:
99.5 mg/L
Nominal / measured:
meas. (not specified)
Conc. based on:
test mat.
Basis for effect:
mortality

Applicant's summary and conclusion