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Ecotoxicological information

Long-term toxicity to aquatic invertebrates

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Administrative data

Endpoint:
long-term toxicity to aquatic invertebrates
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Carried out according to OECD Guideline with no analytical monitoring.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1982
Report Date:
1982

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other: OECD 202 Part 2
Deviations:
yes
Principles of method if other than guideline:
14 days NOEC (reproduction)
GLP compliance:
no

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
2,4-toluenediamine
'extra pure' 2,4-TDA (Tokyo Kasei)

Test solutions

Details on test solutions:
Dilution water:
NaHCO3; 192 ppm,
CaSO4.2H2O; 120ppm,
MgSO4; 120ppm,
KCl; 8.0ppm.

Test organisms

Test organisms (species):
other aquatic crustacea: moina macrocopa
Details on test organisms:
Age: less than 24 hours old.
Feeding: once daily with unicellular green algae
40 organisms divided into four batches of ten
Newborn young of the F1 generation counted every 2 days.

Study design

Test type:
semi-static
Total exposure duration:
14 d

Test conditions

Test temperature:
20°C
pH:
8
Nominal and measured concentrations:
Test substance concentrations: 0, 0.8, 1.6, 3.2, 6.3, 12.5 ppm

Results and discussion

Effect concentrations
Duration:
14 d
Dose descriptor:
NOEC
Effect conc.:
0.8 other: ppm

Applicant's summary and conclusion