Nicotine tartrate is the nicotine salt in vape.
Nicotine tartrate is Nicotine Ditartrate in English, its molecular formula is C₁₈H₂₆N₂O₁₂, its molecular weight is 462.405, its density is uncertain, its melting point is 89ºC, and its boiling point is 508ºC(e). In e-liquid, nicotine tartrate exists as an additive. It cannot be directly absorbed and utilized by the human body. Instead, it is inhaled into the human body through the smoke generated after heating, thereby helping smokers reduce their dependence on nicotine to a certain extent.