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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Environmental fate & pathways

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:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Datas from isomer.

Data source

Referenceopen allclose all

Reference Type:
study report
Title:
Unnamed
Year:
1983
Reference Type:
publication
Title:
1,3-Dichlor-4-nitrobenzol
Author:
Beratergremium Umweltrelevanter Altstoffe
Year:
1991
Bibliographic source:
BUA Stoffbericht 64, VCH Weinheim

Materials and methods

Test guidelineopen allclose all
Guideline:
EU Method C.5 (Degradation: Biochemical Oxygen Demand)
Guideline:
EU Method C.4-D (Determination of the "Ready" Biodegradability - Manometric Respirometry Test)
GLP compliance:
no

Test material

Constituent 1
Reference substance name:
1,3-dichloro-4-nitrobenzene
EC Number:
210-248-3
EC Name:
1,3-dichloro-4-nitrobenzene
Cas Number:
611-06-3
IUPAC Name:
2,4-dichloro-1-nitrobenzene

Study design

Oxygen conditions:
not specified
Inoculum or test system:
sewage, industrial (adaptation not specified)
Duration of test (contact time):
>= 5 - <= 25 d
Initial test substance concentration
Initial conc.:
183 mg/L
Based on:
act. ingr.
Parameter followed for biodegradation estimation
Parameter followed for biodegradation estimation:
O2 consumption

Results and discussion

% Degradation
Parameter:
% degradation (O2 consumption)
Value:
0
Sampling time:
25 d

Applicant's summary and conclusion

Interpretation of results:
under test conditions no biodegradation observed