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Environmental fate & pathways

Hydrolysis

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Reference
Endpoint:
hydrolysis
Type of information:
calculation (if not (Q)SAR)
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
accepted calculation method
Justification for type of information:
Estimated data generated using the EPI Suite model developed by the USEPA.
Qualifier:
according to guideline
Guideline:
other: Modeling database
Principles of method if other than guideline:
HYDROWIN Program (v2.00) from EPI Suite estimation database
GLP compliance:
not specified
Specific details on test material used for the study:
- Name of test material: Reaction mass of Ethanaminium, N-[4-[[4-(diethylamino)phenyl]phenylmethylene]-2,5-cyclohexadien-1-ylidene]-N-ethyl- & acetate
- Molecular formula: C29H36N2O2
- Molecular weight: 444.615 g/mole
- Substance type: Organic
- Physical state: maroon lustrous liquid
Radiolabelling:
not specified
Analytical monitoring:
not specified
Estimation method (if used):
HYDROWIN v2.00
Transformation products:
not specified
pH:
7
Temp.:
25 °C
DT50:
16.3 d
Type:
not specified
Remarks on result:
other: other details not available
pH:
8
Temp.:
25 °C
DT50:
1.63 d
Type:
not specified
Remarks on result:
other: other details not available
Validity criteria fulfilled:
not specified
Conclusions:
The half life of hydrolysis of test chemical Reaction mass of Ethanaminium, N-[4-[[4-(diethylamino)phenyl]phenylmethylene]-2,5-cyclohexadien-1-ylidene]-N-ethyl- & acetate was estimated to be 16.3 days and 1.63 days at pH 7 and 8 respectively. On the basis of this half life value it can be concluded that test chemical Reaction mass of Ethanaminium, N-[4-[[4-(diethylamino)phenyl]phenylmethylene]-2,5-cyclohexadien-1-ylidene]-N-ethyl- & acetate shows negligible to slow hydrolysis.
Executive summary:

The half life of hydrolysis of test chemical Reaction mass of Ethanaminium, N-[4-[[4-(diethylamino)phenyl]phenylmethylene]-2,5-cyclohexadien-1-ylidene]-N-ethyl- & acetate was estimated by using EPI suite (2018).The half life of hydrolysis of test chemical was estimated to be 16.3 days and 1.63 days at pH 7 and 8 respectively. On the basis of this half life value it can be concluded that test chemical Reaction mass of Ethanaminium, N-[4-[[4-(diethylamino)phenyl]phenylmethylene]-2,5-cyclohexadien-1-ylidene]-N-ethyl- & acetate shows negligible to slow hydrolysis.

Description of key information

The half life of hydrolysis of test chemical Reaction mass of Ethanaminium, N-[4-[[4-(diethylamino)phenyl]phenylmethylene]-2,5-cyclohexadien-1-ylidene]-N-ethyl- & acetate was estimated by using EPI suite (2018).The half life of hydrolysis of test chemical was estimated to be 16.3 days and 1.63 days at pH 7 and 8 respectively. On the basis of this half life value it can be concluded that test chemical Reaction mass of Ethanaminium, N-[4-[[4-(diethylamino)phenyl]phenylmethylene]-2,5-cyclohexadien-1-ylidene]-N-ethyl- & acetate shows negligible to slow hydrolysis.

Key value for chemical safety assessment

Half-life for hydrolysis:
16.3 d
at the temperature of:
25 °C

Additional information

The half life of hydrolysis of test chemical Reaction mass of Ethanaminium, N-[4-[[4-(diethylamino)phenyl]phenylmethylene]-2,5-cyclohexadien-1-ylidene]-N-ethyl- & acetate was estimated by using EPI suite (2018).The half life of hydrolysis of test chemical was estimated to be 16.3 days and 1.63 days at pH 7 and 8 respectively. On the basis of this half life value it can be concluded that test chemical Reaction mass of Ethanaminium, N-[4-[[4-(diethylamino)phenyl]phenylmethylene]-2,5-cyclohexadien-1-ylidene]-N-ethyl- & acetate shows negligible to slow hydrolysis.