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EC number: 216-600-2
CAS number: 1623-05-8
Log(Kow) for PPVE at 21.9°C was determined to be 4.0±0.05 (RSD=1.3%) under the conditions of this study.
The partition coefficient n-octanol/water of
PPVE was determined according to U.S EPA guidance document OPPTS
830.7550 “Partition Coefficient (n-Octanol/Water), Shake Flask Method”
and OECD 107 “Partition Coefficient (n-Octanol/water): Shake Flask
Duplicate samples of PPVE were prepared in
each of the three octanol/water ratios (1:1, 1:2, and 2:1). Each test
vessel was dosed by adding the appropriate volume of PPVE solution
prepared in n-octanol to an appropriate volume of water. The entire
volume of the two-phase system nearly filled each test vessel helping to
minimize loss of material due to volatilization. All vials were then
rotated 180° about their transverse axis for 100 times for five minutes;
the test vessels were then centrifuged for 15 minutes at 1500 RPM to
ensure a visibly clear separation of layers. The test vessels were left
to separate overnight. Duplicate aliquots from the aqueous and n-octanol
phases were carefully removed, diluted, and analyzed separately using
Log(Kow) for PPVE at 21.9°C was determined
to be 4.0±0.05 (RSD=1.3%). The method uncertainty was calculated to be
This is a guideline study conducted under
GLP compliance. Therefore, it is considered reliable without
restrictions and a key study.
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