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EC number: 616-020-3
CAS number: 7381-13-7
water solubility of the test item in water (flask method): 39.23 ± 0.99 mg/L at 20 ± 0,5 °C = 3.923 ± 0.099 * 10-5 kg/L (SI units) (mean value ± standard deviation of eight measurements)
In a preliminary study, the solubility of
the test item in water could be estimated as Iying between 10 and 100
mg/L. In the main study, approx. 300 mg/L of the test item were weighed
into each of six individual vessels, water (21°C warm) was added, and
the vessels were shaken at 20 ± 0.5 °c. On the days 1, 2, and 3, vessel
1 was taken fram the shaking apparatus and stored at 20 ± 0.1 °c for
equilibration. Sampies were taken, filtrated and analysed using HPLC as
shaking of the test vessels was continued. No differences above 15% in
the concentration of the solution could be determined between the
sampling dates 1, 2, and 3, supporting the hypothesis, that the maximum
concentration of the test item had been reached. Therefore, on day 3,
vessels 2 - 5 were sampled and analysed in the same fashion. At the
plateau, the concentration of the test item in water had reached 39.23 ±
0.99 mg/L at 20 ± 0,5 oe = 3.923 ± 0.099 * 10-5 kg/L (SI units) (mean
value ± standard deviation of eight measurements)
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