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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
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 111 (Hydrolysis as a Function of pH)
GLP compliance:
yes
Radiolabelling:
no
Analytical monitoring:
not specified
Details on test conditions:
TEST SYSTEM
- pH 4, 7 and 9
- 50°C
Positive controls:
no
Negative controls:
no
Transformation products:
no
pH:
4
Temp.:
50 °C
DT50:
> 5 d
pH:
7
Temp.:
50 °C
DT50:
> 5 d
pH:
9
Temp.:
50 °C
DT50:
> 5 d
Details on results:
No hydrolysis could be observed within 5 days.
Validity criteria fulfilled:
yes

Description of key information

The substance can be considered as hydrolytically stable.

Key value for chemical safety assessment

Additional information

The hydrolysis of 'zinc phthalocyanine sulfonate' was investigated under GLP conditions according to OECD guideline 111 (BASF AG 2012). The test was performed at pH 4.0, 7.0 and 9.0 at a temperature of 50°C. After 5 days of incubation, no hydrolysis was observed. Therefore, the substance can be considered as hydrolytically stable.