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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Data source

Reference
Reference Type:
other: QSAR report
Title:
Unnamed
Year:
2022

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: QSAR prediction model
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
tributyl(ethyl)phosphanium diethyl phosphate
Cas Number:
20445-94-7
Molecular formula:
C18H42O4P2
IUPAC Name:
tributyl(ethyl)phosphanium diethyl phosphate
Test material form:
liquid

Results and discussion

Effect concentrationsopen allclose all
Duration:
72 h
Dose descriptor:
NOEC
Effect conc.:
25.2 mg/L
Nominal / measured:
not specified
Conc. based on:
not specified
Basis for effect:
not specified
Duration:
72 h
Dose descriptor:
LOEC
Effect conc.:
25.2 mg/L
Nominal / measured:
not specified
Conc. based on:
not specified
Basis for effect:
not specified
Duration:
72 h
Dose descriptor:
EC50
Effect conc.:
25.2 mg/L
Nominal / measured:
not specified
Conc. based on:
not specified
Basis for effect:
not specified
Duration:
72 h
Dose descriptor:
EC10
Effect conc.:
25.2 mg/L
Nominal / measured:
not specified
Conc. based on:
not specified
Basis for effect:
not specified
Details on results:
Predicted endpoint: EC10, EC50, LOEC, NOEC, Other Endpoint; Growth Rate; Desmodesmus
subspicatus, Pseudokirchneriella subcapitata; 72 h; No guideline specified
Predicted value: 25.2 mg/L (from 0.00479 to 1.32E+05)

Applicant's summary and conclusion

Conclusions:
Based on RB-QSAR estimation, the Effect concentration of tributyl(ethyl)phosphonium diethyl phosphate is 25.2 mg/L