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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Ecotoxicological information

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:
1 (reliable without restriction)

Data source

Reference
Reference Type:
other:
Title:
Unnamed
Year:
2018
Report date:
2018

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 202 (Daphnia sp. Acute Immobilisation Test)
Version / remarks:
2004
Deviations:
no
GLP compliance:
no
Remarks:
The study will be performed in accordance with the OECD Principles of Good Laboratory Practice as accepted by Regulatory Authorities throughout the European Union, United States of America, Japan, and other countries that are signatories to the OECD Mutua

Test material

Constituent 1
Chemical structure
Reference substance name:
Fatty acids, C12-18 and C18-unsatd., reaction products with chloroacetic acid and 2-(dimethylamino)ethanol and N,N-dimethyl-1,3-propanediamine
EC Number:
295-171-3
EC Name:
Fatty acids, C12-18 and C18-unsatd., reaction products with chloroacetic acid and 2-(dimethylamino)ethanol and N,N-dimethyl-1,3-propanediamine
Cas Number:
91845-01-1
Molecular formula:
C24H48NO4, C25H51N2O3
IUPAC Name:
2-(dimethylamino)ethyl hexadecanoate; 2-(dimethylamino)ethyl octadecanoate; N-[3-(dimethylamino)propyl]hexadecanamide; N-[3-(dimethylamino)propyl]octadecanamide
Test material form:
solid: bulk

Study design

Test type:
static
Water media type:
freshwater
Limit test:
yes
Total exposure duration:
48 h

Test conditions

Hardness:
ISO medium M7, hardness 180 mg/L expressed as CaCO3
Test temperature:
18-22°C, constant within ±1°C.
pH:
Between 6 and 9. Should normally not vary by more than 1.5 units
Dissolved oxygen:
No aeration of the test solutions

Results and discussion

Effect concentrations
Key result
Duration:
48 h
Dose descriptor:
EC50
Effect conc.:
> 2 mg/L
Nominal / measured:
meas. (not specified)
Conc. based on:
test mat.
Basis for effect:
mobility

Applicant's summary and conclusion