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EC number: 619-511-0
CAS number: 141573-96-8
The partition coefficients 1-octanol/water of the test item
3-(difluoromethyl)-1- methylpyrazole-4-carboxylic acid (AE 1954999) were
determined at pH 3.5 (mainly undissociated form) and at pH 7
(dissociated form) at room temperature (23 °C) according to the "shake
flask method" described in EEC Test Guideline 92/69, A.8., OECD Test
Guideline 107 and EPA Product Properties Test Guideline OPPTS 830.7550.
The concentrations of the test item in the 1-octanol phases and in the
aqueous phases were quantified by HPLC analyses. The used HPLC method
(reversed phase) was validated and found to be valid.
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