Pyrrolo[3,4-c]pyrrole-1,4-dione, 3,6-bis([1,1'-biphenyl]-4-yl)-2,5-dihydro-

Biodegradation in water: screening tests

Administrative data

Endpoint:

biodegradation in water: ready biodegradability

Type of information:

experimental study

Adequacy of study:

key study

Study period:

before 1993-10-28

Reliability:

1 (reliable without restriction)

Data source

Reference

Reference Type:

other: information granted by ECHA on substance registered before more than 12 years

Title:

Unnamed

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

OECD Guideline 301 D (Ready Biodegradability: Closed Bottle Test)

Deviations:

not specified

GLP compliance:

yes

Test material

Test material information

Constituent 1

Reference substance name:

-

EC Number:

413-920-6

EC Name:

-

Cas Number:

88949-33-1

Molecular formula:

C30H20N2O2

IUPAC Name:

3,6-bis({[1,1'-biphenyl]-4-yl})-1H,2H,4H,5H-pyrrolo[3,4-c]pyrrole-1,4-dione

Study design

Duration of test (contact time):

28 d

Reference substance

Reference substance:

acetic acid, sodium salt

Results and discussion

% Degradation

Parameter:

% degradation (TOC removal)

Value:

< 10

Sampling time:

28 d

Details on results:

Points of degradation plot (test substance):1.9 % degradation after 2 d4.8 % degradation after 5 d5.4 % degradation after 9 d5.4 % degradtaion after 12 d5.4 % degradation after 21 d5.6 % degradation after 28 dPoints of degradation plot (reference substance)0 % degradation after 2 d10.4 % degeradation after 5 d30.6 % degradation after 9 d35.8 % degradation after 12 d46.2 % degradation after 21 d76.5 % degradation after 28 d82 % degradation after 28 d

Applicant's summary and conclusion

Interpretation of results:

other: not readily biodegradable