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EC number: 701-162-1
CAS number: -
The vapour pressure of Penta-PSCA is 1.0 Pa at 20 °C.
experimental value for the total vapour pressure is 554 Pa (20°C), which
is influenced mainly due to the water content. Therefore it can't be
taken as appropriate value and the vapour pressure was calculated
assuming that the various components contribute to an extent
proportional to their mole fractions.
calculation gives the following result for the vapour pressure at 20 °C:
(active + water): 672 Pa
Active: 1.0 Pa
conclusion the approximations in the calculation do not result in a
large error, so that a reasonable estimate of the vapour pressure of the
active components is obtained.
the calculated vapour pressure for the active is mainly related to the
pentapropylene impurity, for the exposure assessment of
(Pentapropenylsuccinimido)-caproic acid the vapour pressure of this
will be used.
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