2,3,4,5-tetrachlorobenzoyl chloride

Biodegradation in water: screening tests

Administrative data

Endpoint:

biodegradation in water: ready biodegradability

Type of information:

migrated information: read-across from supporting substance (structural analogue or surrogate)

Adequacy of study:

supporting study

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

other: Data from reliable source. Though no detailed test report is available, all tests from the Japanese Authorities are performed according to an OECD guideline

Data source

Reference

Reference Type:

publication

Title:

Unnamed

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

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

GLP compliance:

not specified

Remarks:

probably yes

Test material

Test material information

Constituent 1

Reference substance name:

2,3,6-TBA

EC Number:

200-026-4

EC Name:

2,3,6-TBA

Cas Number:

50-31-7

IUPAC Name:

2,3,6-trichlorobenzoic acid

Details on test material:

Analogous: Assessment derived from a susbtance with similar chemical character:
- Name of test material (as cited in study report): 2,3,6-trichlorobenzoic acid

Study design

Oxygen conditions:

aerobic

Details on inoculum:

-

Duration of test (contact time):

28 d

Initial test substance concentration

Initial conc.:

100 mg/L

Based on:

test mat.

Parameter followed for biodegradation estimation

Parameter followed for biodegradation estimation:

O2 consumption

Results and discussion

% Degradation

Parameter:

% degradation (O2 consumption)

Value:

1

Sampling time:

28 d

Applicant's summary and conclusion

Interpretation of results:

under test conditions no biodegradation observed