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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
(Q)SAR
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Justification for type of information:
study scientifically not necessary / other information available
the study does not need to be conducted because the substance is highly insoluble in water, hence indicating that aquatic toxicity is unlikely to occur.
The samples are not nanomaterials.

Data source

Reference
Reference Type:
other: QSAR report
Title:
Unnamed
Year:
2023

Materials and methods

Test guideline
Qualifier:
no guideline required
Principles of method if other than guideline:
No guideline specified
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
[bis(4-methylphenyl)phosphoroso](2,4,6-trimethylphenyl)methanone
EC Number:
884-585-5
Cas Number:
270586-78-2
Molecular formula:
C24H25O2P
IUPAC Name:
[bis(4-methylphenyl)phosphoroso](2,4,6-trimethylphenyl)methanone

Results and discussion

Effect concentrations
Duration:
96 h
Dose descriptor:
EC50
Effect conc.:
1.071 mg/L
Remarks on result:
not determinable because of methodological limitations

Applicant's summary and conclusion

Validity criteria fulfilled:
not specified