Registration Dossier
Registration Dossier
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EC number: 413-910-1 | CAS number: 1467668-33-2 LUPEROX 610-E-35; LUPEROX 610-E-50; LUPEROX 610-EN-50; LUPEROX 610-M-50; LUPERSOL 610; LUPERSOL 610-M-50
Hydrolysis
Administrative data
Link to relevant study record(s)
Description of key information
The determination of the hydrolysis as a function of pH was based on EEC Directive C.10 "Abiotic degradation: Hydrolysis as a function of pH"(1984). At pH4, 7 and 9, a decrease in concentration > 50% was observed after 2.4 hours (half-life time < 2.4 hours). Hence it was concluded that the concerned substance is hydrolytically unstable at pH 4, 7 and 9,under the conditions of the test. The test was performed at 50.0 ± 0.5°C.The DT50 at 12°C was recalculated according the equation R16.9 of the guidance R16 version 2, resulting a DT50 of 2.09 d (50.2 hours).
Key value for chemical safety assessment
- Half-life for hydrolysis:
- 2.09 d
- at the temperature of:
- 12 °C
Additional information
The determination of the hydrolysis as a function of pH was based on EEC Directive C.10 "Abiotic degradation: Hydrolysis as a function of pH"(1984). At pH4, 7 and 9, a decrease in concentration > 50% was observed after 2.4 hours (half-life time < 2.4 hours, i.e < 0.1 days).
Hence it was concluded that the concerned substance is hydrolytically unstable at pH 4, 7 and 9, under the conditions of the test.
As the test was performed at 50.0 ± 0.5°C, the DT50 at 12°C was recalculated according the equation R16.9 of the guidance R16 version 2, resulting a DT50 of 2.09 d (50.2 hours) and a rate constant for hydrolysis of 0.33 d-1.
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