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Ecotoxicological information

Short-term toxicity to aquatic invertebrates

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Administrative data

Endpoint:
short-term toxicity to aquatic invertebrates
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Guideline study with acceptable restrictions

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1988
Report Date:
1988

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other: German industrial standard test guideline DIN 38412, part 11
GLP compliance:
no

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
- Name of test material (as cited in study report): Diethylentriamin

Sampling and analysis

Analytical monitoring:
no

Test solutions

Vehicle:
no

Test organisms

Test organisms (species):
Daphnia magna

Study design

Test type:
static
Water media type:
freshwater
Limit test:
no
Total exposure duration:
48 h

Test conditions

Test temperature:
20.8 °C
pH:
7.87 - 8.64
Dissolved oxygen:
8.0 - 8.2 mg/l
Nominal and measured concentrations:
Nominal test concentrations (mg/l): 0.8, 1, 2, 4, 8, 10, 20, 40, 80, 100
Details on test conditions:
TEST SYSTEM
- No. of vessels per concentration (replicates): 2
- No. of vessels per control (replicates): 2

Results and discussion

Effect concentrationsopen allclose all
Duration:
48 h
Dose descriptor:
EC0
Effect conc.:
2 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
mobility
Duration:
48 h
Dose descriptor:
EC50
Effect conc.:
16 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
mobility
Remarks on result:
other: 7.21 - 35.48 mg/l 95% CL
Duration:
48 h
Dose descriptor:
EC100
Effect conc.:
100 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
mobility

Any other information on results incl. tables

Cumulative immobility after x hours (%)

Nominal concentration (mg/l)

3 h

6 h

24 h

48 h

Control

0

0

0

0

0.8

0

0

0

0

1

0

0

0

0

2

0

0

0

0

4

0

0

0

5

8

0

0

0

10

10

0

0

0

30

20

0

0

0

40

40

0

0

75

90

80

0

5

90

100

100

0

10

90

100

Applicant's summary and conclusion