reaction mass of 4-methoxyphenol and 4-methoxy-cyclohexanone and 4-methoxy-cyclohexanol

Biodegradation in water: screening tests

Administrative data

Endpoint:

biodegradation in water: screening test, other

Type of information:

experimental study

Adequacy of study:

weight of evidence

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

guideline study without detailed documentation

Remarks:

ECHA, disseminated data

Data source

Reference

Reference Type:

other: ECHA, disseminated data

Title:

Unnamed

Year:

2018

Report date:

2018

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

OECD Guideline 301 F (Ready Biodegradability: Manometric Respirometry Test)

Version / remarks:

92/69/EWG

GLP compliance:

yes

Test material

Test material information

Constituent 1

Reference substance name:

-

EC Number:

480-410-8

EC Name:

-

Cas Number:

13482-23-0

Molecular formula:

C7 H12 O2

IUPAC Name:

Cyclohexanone, 4-methoxy-

Study design

Oxygen conditions:

aerobic

Inoculum or test system:

other: according to guideline

Reference substance

Reference substance:

benzoic acid, sodium salt

Results and discussion

% Degradation

Parameter:

% degradation (CO2 evolution)

Value:

2

Sampling time:

28 d

BOD5 / COD results

Results with reference substance:

94 % degradation after 28 d
88 % degradation after 14 d
64 % degradation after 4 d

Applicant's summary and conclusion

Interpretation of results:

not readily biodegradable