Perfluorooctane

Biodegradation in water: screening tests

Administrative data

Endpoint:

biodegradation in water: ready biodegradability

Type of information:

read-across based on grouping of substances (category approach)

Adequacy of study:

key study

Reliability:

1 (reliable without restriction)

Justification for type of information:

Saturated perfluorocarbons form a class that exhibits very similar propertioes.

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2005

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

OECD Guideline 310 (Ready Biodegradability - CO2 in Sealed Vessels (Headspace Test)

Deviations:

no

GLP compliance:

yes

Test material

Test material information

Constituent 1

Reference substance name:

Perflunafene

EC Number:

206-192-4

EC Name:

Perflunafene

Cas Number:

306-94-5

Molecular formula:

C10F18

IUPAC Name:

1,1,2,2,3,3,4,4,4a,5,5,6,6,7,7,8,8,8a-Octadecafluoronaphthalene

Study design

Oxygen conditions:

aerobic

Inoculum or test system:

activated sludge, domestic (adaptation not specified)

Duration of test (contact time):

ca. 28 d

Initial test substance concentration

Initial conc.:

100 other: ml/l

Parameter followed for biodegradation estimation

Parameter followed for biodegradation estimation:

inorg. C analysis

Results and discussion

% Degradation

Parameter:

% degradation (inorg. C analysis)

Value:

-1

Sampling time:

28 d

Applicant's summary and conclusion

Validity criteria fulfilled:

yes

Interpretation of results:

not inherently biodegradable

Conclusions:

Material does not biodegrade.

Executive summary:

Material does not biodegrade.