Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Toxicity to aquatic algae and cyanobacteria

Administrative data

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

Data source

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 201 (Alga, Growth Inhibition Test)
Qualifier:
according to guideline
Guideline:
other: ISO International Standard 8692: "Water quality - Freshwater algal growth inhibition test with unicellular green algae", Second edition, 01 October 2004.
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
1-[3-(2-methoxy-5-nitrophenoxy)propyl]-4-methylpiperazine
EC Number:
700-445-7
Cas Number:
846023-54-9
Molecular formula:
C15H23N3O4
IUPAC Name:
1-[3-(2-methoxy-5-nitrophenoxy)propyl]-4-methylpiperazine

Test organisms

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

Study design

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

Results and discussion

Effect concentrationsopen allclose all
Duration:
72 h
Dose descriptor:
EC50
Effect conc.:
ca. 15 mg/L
Conc. based on:
other: for growth rate reduction
Remarks on result:
other: 95% confidence interval ranging from 7.9 to 30 mg/l.
Duration:
72 h
Dose descriptor:
EC50
Effect conc.:
ca. 6.3 mg/L
Conc. based on:
other: for yield inhibition
Remarks on result:
other: 95% confidence interval ranging from 3.4 to 12 mg/l.
Duration:
72 h
Dose descriptor:
NOEC
Effect conc.:
ca. 1 mg/L

Applicant's summary and conclusion