2,4-Imidazolidinedione, 1,3-diiodo-5,5-dimethyl-

Biodegradation in water: screening tests

Administrative data

Endpoint:

biodegradation in water: ready biodegradability

Adequacy of study:

other information

Data source

Reference

Reference Type:

other: Body responsible for the test

Title:

Unnamed

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

other: 92/69/EWG, C.4-D (Manom.-Respirat.); OECD 301-F

GLP compliance:

yes

Study design

Reference substance

Reference substance:

other: sodium benzoate

Results and discussion

% Degradation

Value:

15

Sampling time:

28 d

Details on results:

Points of degradation plot (test substance):
3 % degradation after 2 d
3 % degradation after 6 d
5 % degradation after 8 d
5 % degradation after 10 d
9 % degradation after 14 d
12 % degradation after 16 d
16 % degradation after 20 d
18 % degradation after 22 d
23 % degradation after 24 d
15 % degradation after 28 d

BOD5 / COD results

Results with reference substance:

Points of degradation plot (reference substance):
49 % degradation after 2 d
75 % degradation after 6 d
79 % degradation after 8 d
82 % degradation after 10 d
85 % degradation after 14 d
86 % degradation after 16 d
87 % degradation after 20 d
87 % degradation after 22 d
88 % degradation after 24 d
89 % degradation after 28 d

Applicant's summary and conclusion

Interpretation of results:

other: not readily biodegradable