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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
key study
Study period:
Not specified
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Study conducted to GLP (taken from SNIF file). Registrant referring to studies >12 years old at the permission of ECHA.

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed
Year:
1999
Report date:
1999

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method C.3 (Algal Inhibition test)
GLP compliance:
yes

Test material

Constituent 1
Reference substance name:
-
EC Number:
432-130-2
EC Name:
-
Cas Number:
119345-01-6
Molecular formula:
Not applicable ( a generic molecular formula cannot be provided for this UVCB substance)
IUPAC Name:
Reaction products of phosphorous trichloride, with 1,1′-biphenyl and 2,4-bis(1,1-dimethylethyl)phenol
Details on test material:
no data
Specific details on test material used for the study:
Details on properties of test surrogate or analogue material (migrated information):
no data

Sampling and analysis

Analytical monitoring:
not specified
Details on sampling:
no data

Test solutions

Vehicle:
not specified
Details on test solutions:
Identity and concentration of auxillary solvent for dispersal: none

Test organisms

Test organisms (species):
Desmodesmus subspicatus (previous name: Scenedesmus subspicatus)
Details on test organisms:
no data

Study design

Test type:
static
Water media type:
freshwater
Limit test:
no
Total exposure duration:
72 h
Post exposure observation period:
no data

Test conditions

Hardness:
24 mg CaCO3/l
Test temperature:
no data
pH:
no data
Dissolved oxygen:
no data
Salinity:
Not applicable.
Nominal and measured concentrations:
no data
Details on test conditions:
no data
Reference substance (positive control):
not specified

Results and discussion

Effect concentrationsopen allclose all
Duration:
72 h
Dose descriptor:
EC50
Effect conc.:
>= 0.55 mg/L
Nominal / measured:
not specified
Conc. based on:
not specified
Basis for effect:
biomass
Duration:
72 h
Dose descriptor:
EC50
Effect conc.:
>= 0.55 mg/L
Nominal / measured:
not specified
Conc. based on:
not specified
Basis for effect:
growth rate
Duration:
72 h
Dose descriptor:
NOEC
Effect conc.:
> 0.55 mg/L
Nominal / measured:
not specified
Conc. based on:
not specified
Basis for effect:
growth rate
Duration:
72 h
Dose descriptor:
NOEC
Effect conc.:
> 0.55 mg/L
Nominal / measured:
not specified
Conc. based on:
not specified
Basis for effect:
biomass
Details on results:
%Concentration loss over test: .....24
Results with reference substance (positive control):
no data
Reported statistics and error estimates:
no data

Applicant's summary and conclusion

Validity criteria fulfilled:
yes
Conclusions:
EC50 (biomass & growth rate) ≥ 0.55 mg/l ; NOEC (biomass & growth rate) > 0.55 mg/l.
The substance demonstrated no effects at the limit of solubility in water.
Executive summary:

Information from migrated NONS file, as per inquiry number 06-0000020725-70-0000, permission to refer granted by ECHA.

Study conducted to GLP (taken from SNIF file). Registrant referring to studies >12 years old at the permission of ECHA.

 

EC50 (biomass & growth rate) ≥ 0.55 mg/l

NOEC (biomass & growth rate) > 0.55 mg/l

 

The substance is not classified.