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Environmental fate & pathways

Hydrolysis

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Reference
Endpoint:
hydrolysis
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2003
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Qualifier:
no guideline followed
Principles of method if other than guideline:
Method not available
GLP compliance:
not specified
Transformation products:
no
Remarks:
no transformation product
pH:
7
Temp.:
25 °C
DT50:
15.8 yr
pH:
9
Temp.:
25 °C
DT50:
15.8 yr
Conclusions:
T 1/2 pH 7: ca.15.8 year at 25°C
T 1/2 pH 9: ca.15.8 year at 25°C

Description of key information

Key value for chemical safety assessment

Half-life for hydrolysis:
15.8 yr
at the temperature of:
25 °C

Additional information

A hydrolysis constant of 5.0 x 10-6 per hours (pH 7-9, 25°C) with a calculated half-life of 15.8 yr, has been derived for 1,2-dichloropropane in water (MacKayet al., 1993). Therefore the substance shows a very good stability in water as it is not subject to any abiotic degradation (hydrolysis), unless in a very long time.