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EC number: 207-005-9
CAS number: 421-50-1
The plot of the log PT of the test item as function of the
reciprocal temperatures is shown in attached document.
The equation of the curve was: log PT,20 = -1441 x 1/T + 9.88
(r = 0.99996, n = 22). The vapour pressure of the test item at 20°C and
at 25°C is given in the following Table and was calculated as the mean
of the vapour pressures measured at these temperatures.
Vapour pressure of the test item
Measurement of the vapour pressure of 1,1,1 -trifluoroacetone was
performed using a static method according to standardised guidelines
(OECD TG 104, EU A.4 and OPPTS 830.7950) under GLP conditions.
The vapour pressure of 1,1,1-trifluoroacetone measured with the static
method was 6.9 x 10E2 mm Hg (9.2 x 10E4 Pa, i.e. 920 hPa) at 20°C and
8.4 x 10E2 mm Hg (1.1 x 10E5 Pa, i.e. 1100 hPa) at 25°C.
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