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EC number: 201-766-0
CAS number: 87-69-4
Based on the flash point data, tartaric acid and its salts are not
expected to be flammable.
A collection of the flash point values was performed for tartaric acid
and its salts (i.e. monosodium, monopotassium, sodium potassium, sodium,
potassium and calcium tartrate). As result, two values specifically
referred to tartaric acid were found. These values were similar and
support the non-flammability of the substance (i.e. both values were >
200°C). Since the flash point values of tartaric acid are very high and
taking into account the chemistry of its salts, it is believed that also
the tartaric acid salts should not behave differently. Overall, since
the flash point is an information relevant to assess the flammability of
liquid substances and considering that the physical state of the
tartaric acid salts is solid (at room temperature), no further
investigation is deemed to be needed to characterize this property.
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