Registration Dossier

Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

Administrative data

Endpoint:
toxicity to aquatic algae and cyanobacteria
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2019
Report date:
2019

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 201 (Freshwater Alga and Cyanobacteria, Growth Inhibition Test)
Version / remarks:
2011
Deviations:
no
GLP compliance:
no
Remarks:
ISO 9001 / ISO 14001 environment

Test material

Constituent 1
Chemical structure
Reference substance name:
Fatty acids, tallow, hydrogenated, reaction products with diethanolamine
EC Number:
294-347-7
EC Name:
Fatty acids, tallow, hydrogenated, reaction products with diethanolamine
Cas Number:
91697-85-7
Molecular formula:
Not available
IUPAC Name:
Fatty acids, tallow, hydrogenated, reaction products with diethanolamine
Test material form:
solid: bulk

Study design

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

Test conditions

Hardness:
Pre-culture medium M2 - Hardness (Ca+Mg) 0.24 mmol/L (24 mg CaCO3/L)
Test temperature:
21-24°C constant within 2°C
pH:
Between 6.0 and 9.0

Results and discussion

Effect concentrations
Key result
Duration:
72 h
Dose descriptor:
EC50
Effect conc.:
> 0.117 mg/L
Nominal / measured:
meas. (not specified)
Conc. based on:
test mat.
Basis for effect:
growth rate

Applicant's summary and conclusion