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EC number: 238-270-9
CAS number: 14324-55-1
- Results titration method: No difference of
pH was observed during the titration. The assay by titration indicates
no ionisable groups were present.
- Results spectrophotometric method: No
absorbance was observed during the scan between 190 to 410 nm for the
two potentials forms: diethyldithiocarbamic acid (acid form SH) and
diethyldithiocarbamate (basic form S-) of the test item. This is implies
that the test item does not dissociate into these forms.
A study in accordance with OECD TG 112 could not
find measurable quantities of ionisable groups by means of the titration method
and the spectrophotometric method.
On review of the supplied structure for the
test substance, there indeed appears to be no ionisable protons present
that could be dissociated. Dissociation of Zn from the complex may occur
but this cannot be measured using the acid-base dissociation specified
in OECD 112.
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