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EC number: 242-745-6
CAS number: 19009-56-4
The measured values together with the measured temperatures
are listed in Table 1.
The vapour pressure of the substance was calculated by
extrapolation of the measured vapour pressure curve for the
temperatures 20°C, 25°Cand 50°C. This is shown in Table 2.
Reaction and/or decomposition was not observed during the
Table 1. Measurement results of vapour pressure
at various temperatures
Aldehyde C11 MOA
4.0 x 10-2
6.0 x 10-2
4.2 x 10-1
The vapour pressure of the test substance was determined according to
the OECD Guideline 104, 23rd March 2006 and EU Method A.4.
The vapour pressure was measured in the temperature range of 82 °C to
119 °C. When the lowest pressure (400 Pa) was then set and the boiling
section was heated by an electrical cartridge. At this time, the boiling
temperature of the sample reached at 82 °C. When 3000 Pa was set the
boiling section was heated by an electrical cartridge heater set up to
300 °C and equilibrium point of the sample was reached at 119°C.
The vapour pressure of the substance was 5.39 Pa at 20 °C (293 K), 8.24
Pa at 25 °C (298 K) and 56.36 Pa at 50 °C (323 K) (calculated by
extrapolation of the measured vapour pressure curve). Reaction and/or
decomposition of the test material was not observed during the test.
Vapour Pressure = 8.24 Pa at 25 °C; OECD 104; Anon, 2013
In a single key study, the vapour pressure of the test substance was
determined according to the OECD Guideline 104, 23rd March 2006 and EU
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