Triacetin's safety and application

Triacetin is a liquid with a boiling point of 258 °C and a vapour pressure of 0.003306 hPa at 25 °C. It is soluble in water. The Henry’s Law constant (1.23 x 10-8 atm m3/mol) for triacetin indicates that the compound is essentially non-volatile from water.


Triacetin is used for the solidification of acetyl cellulose fibres in the manufacture of cigarette filters. The water content must be kept constant to achieve constant solidification.

Triacetin is also used as a support for flavourings and essences in the food industry and as a plasticiser for chewing gum.

In technical applications, Triacetin is used for example as a core sand binder in the metal foundry sector. Another application is inks and printing
inks. Triacetin is used as a highlyeffective plasticiser for cellulose-based plastics.

The exposure of triacetin may occur mainly according to the following three scenarios.

(1) Occupational exposure: inhalation and dermal route in the industries.

(2) Consumer exposure: intake and dermal/inhalation route through the use as a food additive and topical antifungal and perfume fixative or cigarette filter, respectively.

(3) Environmental exposure: emission to aquatic compartment from waste water and evaporative emissions associated with its use in the perfume and cosmetic industries and its use as a solvent and CO2 remover from natural gas, and disposal of consumer products containing triacetin.


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