1-Heptanamine, 2-propyl-

Short-term toxicity to aquatic invertebrates

Administrative data

Endpoint:

short-term toxicity to aquatic invertebrates

Type of information:

experimental study

Adequacy of study:

key study

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

other: comparable to guideline study with acceptable restrictions

Data source

Reference

Reference Type:

publication

Title:

Befunde der Schadwirkung wassergefährdender Stoffe gegen Daphnia magna

Author:

Bringmann G and Kühn R

Year:

1977

Bibliographic source:

Z. Wasser Abwasser Forsch., 10 (5),161-166

Materials and methods

Test guideline

Qualifier:

equivalent or similar to guideline

Guideline:

other: German Industrial Standard DIN 38412, Part 11

GLP compliance:

no

Test material

Test material information

Constituent 1

Reference substance name:

2-ethylhexylamine

EC Number:

203-233-8

EC Name:

2-ethylhexylamine

Cas Number:

104-75-6

IUPAC Name:

2-ethylhexan-1-amine

Details on test material:

- Name of test material (as cited in study report): 2-ethylhexylamine
- Analytical purity: not reported

Sampling and analysis

Analytical monitoring:

no

Test solutions

Vehicle:

not specified

Test organisms

Test organisms (species):

Daphnia magna

Details on test organisms:

TEST ORGANISM
- Common name: water flea
- Source: Daphnia magna clone established from a wild freshwater population
- Age at study initiation: ca. 24 hours old

Study design

Test type:

static

Water media type:

freshwater

Limit test:

no

Total exposure duration:

24 h

Test conditions

Test temperature:

20 - 22 °C

Details on test conditions:

TEST SYSTEM
- Exposure vessel type: 50 mL test vessels (glass) containing 20 mL of test medium
- Number of replicates, individuals per replicate: 1, 10
- Adjustment of pH: none
- Light regime: No artificial Iight, no direct sunlight

TEST MEDIUM / WATER PARAMETERS
- Source/preparation of dilution water: tap water

Reference substance (positive control):

not specified

Results and discussion

Effect concentrations

Effect concentrations 1

Duration:

24 h

Dose descriptor:

EC0

Effect conc.:

0.62 mg/L

Nominal / measured:

nominal

Conc. based on:

test mat.

Basis for effect:

mobility

Effect concentrations 2

Duration:

24 h

Dose descriptor:

EC50

Effect conc.:

2.2 mg/L

Nominal / measured:

nominal

Conc. based on:

test mat.

Basis for effect:

mobility

Effect concentrations 3

Duration:

24 h

Dose descriptor:

EC100

Effect conc.:

5 mg/L

Nominal / measured:

nominal

Conc. based on:

test mat.

Basis for effect:

mobility