N-[4-(aminocarbonyl)phenyl]-4-methoxy-3-nitrobenzamide

Biodegradation in water: screening tests

Administrative data

Endpoint:

biodegradation in water: ready biodegradability

Type of information:

experimental study

Adequacy of study:

key study

Study period:

1990

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

other: well performed study but only weak documentation

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

1990

Report date:

1990

Materials and methods

Test guideline

Test guideline 1

Qualifier:

according to guideline

Guideline:

other: 79/831/EWG (part C),

Test guideline 2

Qualifier:

equivalent or similar to guideline

Guideline:

OECD Guideline 301 C (Ready Biodegradability: Modified MITI Test (I))

GLP compliance:

no

Test material

Test material information

Constituent 1

Reference substance name:

N-[4-(aminocarbonyl)phenyl]-4-methoxy-3-nitrobenzamide

EC Number:

298-790-7

EC Name:

N-[4-(aminocarbonyl)phenyl]-4-methoxy-3-nitrobenzamide

Cas Number:

93839-20-4

Molecular formula:

C15H13N3O5

IUPAC Name:

N-(4-carbamoylphenyl)-4-methoxy-3-nitrobenzamide

Details on test material:

purity: 95 - 97 % , contains residual water

Study design

Oxygen conditions:

aerobic

Inoculum or test system:

activated sludge, domestic, non-adapted

Details on inoculum:

no pretreatment of the inoculum

Duration of test (contact time):

28 d

Initial test substance concentration

Initial conc.:

212 mg/L

Based on:

test mat.

Reference substance

Reference substance:

not specified

Results and discussion

% Degradation

% Degradation 1

Parameter:

% degradation (O2 consumption)

Value:

< 5

Sampling time:

7 d

% Degradation 2

Parameter:

% degradation (O2 consumption)

Value:

< 5

Sampling time:

14 d

% Degradation 3

Parameter:

% degradation (O2 consumption)

Value:

< 5

Sampling time:

21 d

% Degradation 4

Parameter:

% degradation (O2 consumption)

Value:

< 5

Sampling time:

28 d

Applicant's summary and conclusion

Interpretation of results:

other: not readily biodegradable

Conclusions:

Baes on the test result the substance has to considered as not readily biodegradable

Executive summary:

The substance was tested for ready biodegradation according to 79/831/EWG (part C), that is equivalent or similar to OECD guideline 301 C. In this manometric respiration test no biodegradation as found during 28 days.