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EC number: 204-815-4
CAS number: 126-97-6
on the physico-chemical properties of thioglycolic acid and its salts
(high solubility and low Vp and Log Kow), it is considered that these
substances are not expected to adsorb to suspended solids, sediments or
soils or are mobile in soil.
modelling approach is usually proposed to roughly estimate the transport
between environmental compartments. This approach cannot necessarily be
followed for all substance classes. Ionisable substances for instance do
not fit in relevancy criteria of the common models used. It is important
to have information on pH-dependence. Additionally, the influence of the
mineral matrix cannot be ignored. Nevertheless some physico-chemical
properties can be estimated in a sufficient and realistic manner. With a
very low Henry's Law constant, thioglycolic acid and its salts are
expected to be essentially non-volatile from water or moist surfaces.
Thioglycolic acid and its salts are not expected to volatilize from dry
soil surfaces based upon a very low vapour pressure. In conclusion, the
environmental fate of thioglycolic acid and its salts are not completely
characterized by experiments. However, some physico-chemical parameters
allow good assumptions in terms of behaviour, especially mobility in
soil and volatilization potential.
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