2,6-Dioxo-3-phenyl-7-(4-n-propoxy-phenyl)-2,6-dihydrobenzo-(1,2-b;4,5-b')difuran

Biodegradation in water: screening tests

Administrative data

Endpoint:

biodegradation in water: screening tests

Type of information:

experimental study

Adequacy of study:

key study

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

1983

Report date:

1983

Materials and methods

Test guideline

Test guideline 1

Qualifier:

equivalent or similar to guideline

Guideline:

EU Method C.5 (Degradation: Biochemical Oxygen Demand)

Test guideline 2

Qualifier:

equivalent or similar to guideline

Guideline:

EU Method C.6 (Degradation: Chemical Oxygen Demand)

Test material

Test material information

Constituent 1

Test material form:

solid: particulate/powder

Study design

Oxygen conditions:

aerobic

Inoculum or test system:

other:

Initial test substance concentration

Initial conc.:

1.001 g/L

Based on:

test mat.

Results and discussion

% Degradation

Parameter:

% degradation (O2 consumption)

Sampling time:

5 d

Remarks on result:

other:

BOD5 / COD results

BOD5 / COD

BOD5 / COD 1

Parameter:

BOD5

Value:

< 0.1 g O2/g test mat.

BOD5 / COD 2

Parameter:

COD

Value:

1.89 g O2/g test mat.

BOD5 / COD 3

Parameter:

BOD5*100/COD

Value:

< 5.3

Applicant's summary and conclusion

Validity criteria fulfilled:

yes