(1S,1'R)-[1-(3',3'-dimethyl-1'-cyclohexyl)ethoxycarbonyl]methyl propanoate

Biodegradation in water: screening tests

Administrative data

Endpoint:

biodegradation in water: ready biodegradability

Type of information:

experimental study

Adequacy of study:

key study

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2000

Report date:

2000

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

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

Deviations:

no

Test material

Test material information

Constituent 1

impurity 1

Test material form:

liquid

Study design

Oxygen conditions:

aerobic

Inoculum or test system:

activated sludge, adapted

Duration of test (contact time):

ca. 28 d

Initial test substance concentration

Initial conc.:

ca. 2 mg/L

Based on:

test mat.

Results and discussion

% Degradation

% Degradation 1

Key result

Parameter:

% degradation (O2 consumption)

Value:

ca. 68.2

St. dev.:

4.6

Sampling time:

28 d

Remarks on result:

other:

% Degradation 2

Parameter:

% degradation (O2 consumption)

Value:

ca. 19.5

St. dev.:

6.1

Sampling time:

28 d

Remarks on result:

other:

Applicant's summary and conclusion

Validity criteria fulfilled:

yes