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EC number: 946-382-0
CAS number: -
Hydrolysis constants and half-life times at 25°C (pH 4, 7 and 9)
Hydrolysis rate constant
The rate of hydrolysis of the substance at
pH values normally found in the environment (pH 4-9) was determined in a
GLP-compliant Tier 2 study according to EC C.7, OECD 111 and EPA OPPTS
835.2120 guidelines. Hydrolysis rates of the substance at three
different temperatures were determined from which the hydrolysis rate at
25°C was calculated. Quantification was based on the main constituent of
the substance. The constituent was
shown to degrade by a pseudo-first order behaviour. Half-life
times at 25°C and pH 4, pH 7 and pH 9 were determined to be 180 days, 13
days and 11 hours, respectively.
Tier 2 hydrolysis study (EC C.7, OECD 111, OPPTS 830.2120) at pH 4, 7
and 9. Quantification was based on the main
constituent of the substance.
The constituent was shown to degrade by a pseudo-first order behaviour.
Half-life times at 25°C and pH 4, pH 7 and pH 9 were determined to be
180 days, 13 days and 11 hours, resp.
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