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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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)

Data source

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: OECD 202 (1984, Part I)
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
O,O,O-tris(2(or 4)-C9-10-isoalkylphenyl) phosphorothioate
EC Number:
406-940-1
EC Name:
O,O,O-tris(2(or 4)-C9-10-isoalkylphenyl) phosphorothioate
Cas Number:
126019-82-7
Molecular formula:
C45 H69 O3 P S
IUPAC Name:
O-2-(2-methylnonyl)phenyl O-4-(2-methylnonyl)phenyl O-2-(2-methyloctyl)phenyl phosphorothioate

Test solutions

Vehicle:
yes
Details on test solutions:
Identity and concentration of auxiliary solvent for dispersal: 2.3 mg/L Alkylphenol-polyglycol-ether

Test organisms

Test organisms (species):
Daphnia magna

Study design

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

Test conditions

Hardness:
240 mg CaCO3/L
Nominal and measured concentrations:
Values based on nominal concentrations

Results and discussion

Effect concentrations
Duration:
24 h
Dose descriptor:
EC50
Effect conc.:
5.5 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.

Applicant's summary and conclusion