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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: inherent biodegradability
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Very specific experimental conditions

Data source

Referenceopen allclose all

Reference Type:
publication
Title:
1-Chlor-2-methyl-3-nitrobenzol (2-Chlor-6-nitrotoluol) BUA Stoffbericht 61
Author:
Beratergremium für umweltrelevante Altstoffe (BUA)
Year:
1991
Bibliographic source:
VCH Verlagsgesellschaft mbH, Weinheim, ISBN 3-527-28427-3
Reference Type:
study report
Title:
Unnamed
Year:
1990

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
EPA OTS 796.3360 (Inherent Biodegradability: Modified Zahn-Wellens Test)
Principles of method if other than guideline:
see below
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
2-chloro-6-nitrotoluene
EC Number:
201-475-9
EC Name:
2-chloro-6-nitrotoluene
Cas Number:
83-42-1
Molecular formula:
C7H6ClNO2
IUPAC Name:
1-chloro-2-methyl-3-nitrobenzene

Study design

Oxygen conditions:
not specified
Inoculum or test system:
activated sludge, industrial, adapted
Details on inoculum:
Sludge from sewage treatment plant at site Griesheim of Hoechst AG. Sludge was mixed with charcoal
Duration of test (contact time):
15 d

Results and discussion

% Degradation
Parameter:
other: COD
Value:
>= 80 - <= 90
Sampling time:
15 d

Applicant's summary and conclusion

Validity criteria fulfilled:
not specified
Interpretation of results:
inherently biodegradable