1-chloromethyl-4-fluoro-1,4-diazoniabicyclo[2.2.2]octane bis(tetrafluoroborate)

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

Reliability:

1 (reliable without restriction)

Data source

Reference

Reference Type:

other:

Title:

Unnamed

Year:

1994

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

other: 92/69/EEC, C3

GLP compliance:

yes

Test material

Test material information

Constituent 1

Reference substance name:

-

EC Number:

414-380-4

EC Name:

-

Cas Number:

140681-55-6

Molecular formula:

C7H14B2ClF9N2

IUPAC Name:

1-(chloromethyl)-4-fluoro-1,4-diazabicyclo[2.2.2]octane-1,4-diium; bis(tetrafluoroboranuide)

Test material form:

solid: particulate/powder

Remarks:

migrated information: powder

Test solutions

Details on test solutions:

Identity and concentration of auxiliary solvent for dispersal: Direct dispersion in the nutrient medium.

Test organisms

Test organisms (species):

Raphidocelis subcapitata (previous names: Pseudokirchneriella subcapitata, Selenastrum capricornutum)

Study design

Limit test:

no

Total exposure duration:

72 h

Results and discussion

Effect concentrations

Effect concentrations 1

Duration:

72 h

Dose descriptor:

EC50

Effect conc.:

57 mg/L

Basis for effect:

biomass

Effect concentrations 2

Duration:

72 h

Dose descriptor:

EC50

Effect conc.:

90 mg/L

Basis for effect:

growth rate

Effect concentrations 3

Duration:

72 h

Dose descriptor:

NOEC

Effect conc.:

< 4.6 mg/L

Basis for effect:

growth rate

Details on results:

%Concentration loss over test: ... 0