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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Administrative data

Endpoint:
biodegradation in soil
Type of information:
calculation (if not (Q)SAR)
Remarks:
Migrated phrase: estimated by calculation
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)

Data source

Reference
Reference Type:
other: Prediction model
Title:
Biodegradation in soil by Environmental Science Center’s PBT profiler
Author:
Environmental Science Center
Year:
2010
Bibliographic source:
PBT profiler, Office of Chemical Safety and Pollution Prevention , U.S. Environmental Protection Agency; version 1.301

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: PBT Profiler Estimate
Principles of method if other than guideline:
Estimation database
GLP compliance:
no
Test type:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
3,5-dinitrobenzoic acid
EC Number:
202-751-1
EC Name:
3,5-dinitrobenzoic acid
Cas Number:
99-34-3
Molecular formula:
C7H4N2O6
IUPAC Name:
3,5-dinitrobenzoic acid
Radiolabelling:
not specified

Study design

Oxygen conditions:
not specified
Soil classification:
not specified
Duration of test (contact time)
Soil No.:
#1
Duration:
72 d
Parameter followed for biodegradation estimation:
test mat. analysis

Results and discussion

% Degradation
Soil No.:
#1
% Degr.:
50
Parameter:
test mat. analysis
Half-life / dissipation time of parent compound
Soil No.:
#1
DT50:
75 d
Type:
not specified
Transformation products:
not specified
Evaporation of parent compound:
not specified
Volatile metabolites:
not specified
Residues:
not specified
Details on results:
Biodegradation in soil : 50% degradation
Half-life : 75 d
Percent in Medium : 68%

Applicant's summary and conclusion

Executive summary:

The PBT Profiler has estimated that the substance is expected to be found predominantly in soil and its persistence estimate is based on its transformation in this medium.Its half-life in soil, 75 days, exceeds the EPA criteria of >= 2 months (and <= 6 months). Therefore the substance is estimatedto be persistent in the environment.