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EC number: 212-769-1
CAS number: 868-14-4
The report focuses on effects of the tartaric acid (and combined
tartrates) which are inhaled and presumably retained in the mouth and
upper respiratory tract. This leads to severely acidic saliva which on
long term exposure leads to teeth erosion with progressive disappearance
of the enamel and exposure of the dentine, leading to the eventual loss
of the pieces.
Long term worker exposure to free tartaric acid and combined tartaric
acid dust in conditions of high dustiness (ca. 4.5 mg/m3) for periods of
30 h/week for more than 6 months result in teeth erosion and progressive
loss of dental pieces, but other clinical signs, morbidity or lethality
are reported in a case study involving 15 youg females exposed in a
tin-making company. Thereby the long term LD50 can be assumed to be well
above 4.5 mg/m3.
This case study is considered relevant towards supporting the low
inhalatory toxicity of tartaroc acid and furthermore of combined
tartaric acid, such as in the form of potassium sodium tartrate.
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