(1R)-1-[(4R,4aR,8aS)-2,6-bis(3,4-dimethylphenyl)tetrahydro[1,3]dioxino[5,4-d][1,3]dioxin-4-yl]ethane-1,2-diol

Biodegradation in water: screening tests

Administrative data

Endpoint:

biodegradation in water: ready biodegradability

Type of information:

experimental study

Adequacy of study:

key study

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

other: OECD method, CLP compliance

Data source

Reference

Reference Type:

other: inquiry result from ECHA

Title:

Unnamed

Year:

2012

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

other: Sturm. OCDE Guideline 301 B (1984) EEC Directive 84/449 (1984) - Annex V - Method C4

GLP compliance:

yes

Test material

Test material information

Constituent 1

Reference substance name:

-

EC Number:

413-110-2

EC Name:

-

Cas Number:

135861-56-2

Molecular formula:

C24H30O6

IUPAC Name:

(1R)-1-[(4R,4aR,8aS)-2,6-bis(3,4-dimethylphenyl)tetrahydro[1,3]dioxino[5,4-d][1,3]dioxin-4-yl]ethane-1,2-diol

Study design

Reference substance

Reference substance:

other: Sodium acetate

Results and discussion

% Degradation

Parameter:

other: Parameter is not provided by inquiry report

Value:

28

Sampling time:

28 d

Details on results:

Points of degradation plot (test substance):
4 % degradation after 2 d
11 % degradation after 6 d
18 % degradation after 10 d
23 % degradation after 14 d
28 % degradation after 28 d

BOD5 / COD results

Results with reference substance:

Points of degradation plot (reference substance):
24 % degradation after 2 d
69 % degradation after 6 d
88 % degradation after 10 d
100 % degradation after 14 d

Applicant's summary and conclusion

Interpretation of results:

other: not readily biodegradable