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Environmental fate & pathways

Biodegradation in soil

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Reference
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)
Qualifier:
according to guideline
Guideline:
other: Modeling database
Principles of method if other than guideline:
Fugacity Model III by EPI Suite estimation database
GLP compliance:
no
Test type:
other: Estimated
Radiolabelling:
not specified
Oxygen conditions:
other: estimation data
Soil classification:
not specified
Soil No.:
#1
% Recovery:
71.7
Remarks on result:
other: Estimated data
Soil No.:
#1
% Degr.:
50
Parameter:
other: Half life
Sampling time:
120 d
Soil No.:
#1
DT50:
120 d
Type:
other: Half-life
Remarks on result:
other: other details not available
Transformation products:
not specified
Evaporation of parent compound:
not specified
Volatile metabolites:
not specified
Residues:
not specified

 

Level III Fugacity Model (Full-Output):

=======================================

Chem Name : 9,10-Anthracenedione, 1,8-bis (4-methylphenyl)amino -

Molecular Wt: 418.5

 

 

Mass Amount

Half-Life

Emissions

Soil

71.7

2.88e+003

1000

 

 

Fugacity (atm)

Reaction (kg/hr)

Advection (kg/hr)

Reaction (percent)

Advection (percent)

Soil

1.34e-024

1.9e+003

0

63.3

0

 

 

Conclusions:
Biodegradation half-life of test substance 1,8-Bis((4-methylphenyl)amino)anthraquinone in soil was estimated to be 120 days (2880 hrs).
Executive summary:

Based on EPI prediction Level III Fugacity Model (EPI suite, 2016), the estimated half life period of 1,8-Bis((4-methylphenyl)amino)anthraquinone in soil was obtained to be 120 days (2880 hrs). Based on this half life value of 1,8-Bis((4-methylphenyl)amino)anthraquinone, it is concluded that the chemical is not persistent in the soil environment.

Description of key information

Based on EPI prediction Level III Fugacity Model (EPI suite, 2016), the estimated half life period of 1,8-Bis((4-methylphenyl)amino)anthraquinone in soil was obtained to be 120 days (2880 hrs). Based on this half life value of 1,8-Bis((4-methylphenyl)amino)anthraquinone, it is concluded that the chemical is not persistent in the soil environment.

Key value for chemical safety assessment

Half-life in soil:
120 d
at the temperature of:
25 °C

Additional information

Based on EPI prediction Level III Fugacity Model (EPI suite, 2016), the estimated half life period of 1,8-Bis((4-methylphenyl)amino)anthraquinonein soil was obtained to be 120 days (2880 hrs). Based on this half life value of 1,8-Bis((4-methylphenyl)amino)anthraquinone, it is concluded that the chemical is not persistent in the soil environment.

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