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EC number: 807-130-4 | CAS number: 53716-82-8
The readings, temperatures and the corresponding calibration factors for purified water are shown in the tables below.
Table 1: Sample 1
Literature value (mN/m)
Mean calibration factor = 0.999
Table 2: Sample 2
Sample solution readings
The readings, times and temperatures for the sample solution are shown in the tables below
Table 3: Sample 1
Mean sample reading = 72.5 mN/m
Table 4: Sample 2
Sample 1: 72.5 mN/m
Sample 2: 72.5 mN/m
Mean: 72.5 mN/m
Temperature: 22.0 ± 0.5°C
pH of sample solution: Sample 1 = 5.17; Sample 2 = 4.70
The mean surface tension of duplicate nominal 1.0 g/L solutions of test item in water has been determined to be 72.5 mN/m at 22.0 ± 0.5°C (individual replicate values being 72.5 and 72.5 mN/m). The test item is considered not to be a surface-active item.
Surface tension: 72.5 mN/m at 22.0 ± 0.5°C for a nominal 1.0 g/L solutions (OECD 115)
A surface tension value of 72.5 mN/m at 22.0 ± 0.5°C for a nominal 1.0 g/L solution was determined for the submission substance using the ring method in accordance with OECD Test Guideline 115 and in compliance with GLP. The result is considered to be reliable. At the nominal concentration tested, it is expected that the measured surface tension is for the Gem Diol form of the submission substance.
A surface tension value of 33.6 mN/m for the neat product was reported for cyrene (Pers. comm). No further information is available and no reliability could be assigned.
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