Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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:
2 (reliable with restrictions)

Data source

Reference
Reference Type:
secondary source
Title:
the growth inhibition of planktonic algae due to surfactant used in washing agents
Author:
Yamane, A.N.; Okada, M and Sudo, R
Year:
1984
Bibliographic source:
wat. res 18, 1101-1105

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
EU Method C.3 (Algal Inhibition test)
Version / remarks:
REACH guidance on QSAR
GLP compliance:
not specified

Test material

Constituent 1
Reference substance name:
NPE8, NPE9
IUPAC Name:
NPE8, NPE9
Details on test material:
NPE8, NPE9

Test organisms

Test organisms (species):
Pseudokirchneriella subcapitata (previous names: Raphidocelis subcapitata, Selenastrum capricornutum)

Study design

Test type:
static

Test conditions

Test temperature:
24±2

Results and discussion

Effect concentrationsopen allclose all
Duration:
48 h
Dose descriptor:
EC50
Effect conc.:
20 mg/L
Nominal / measured:
meas. (initial)
Conc. based on:
test mat.
Basis for effect:
other: growth inhibition
Remarks on result:
other: NPE8
Duration:
48 h
Dose descriptor:
EC50
Effect conc.:
50 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
growth rate
Remarks on result:
other: NPE9

Applicant's summary and conclusion