Triacetin (Glycerol Triacetate) is a triester of glycerol and acetic acid widely used in food, beverage, and pharmaceutical applications as a solvent, humectant, plasticizer, and carrier, and Triacetin (Glycerol Triacetate) is valued for its good compatibility with flavors, polymers, and many formulation systems.
Triacetin (Glycerol Triacetate) is commonly used as a food additive, including use as a humectant and carrier for flavors, and Triacetin (Glycerol Triacetate) supports stable dispersions and improved texture in selected products.
Triacetin (Glycerol Triacetate) is typically supplied as a clear, colorless liquid with a mild odor, and Triacetin (Glycerol Triacetate) performance depends on purity, water content, dosage, and interaction with the complete formulation.
CAS Number: 102-76-1
EC Number: 203-051-9
Molecular Formula: C9H14O6
Molecular Weight: 218.20 g/mol
Synonyms: Triacetin (Glycerol Triacetate), Triacetin, Glycerol Triacetate, Glycerin Triacetate, 1,2,3-Propanetriol Triacetate, Acetic Acid Glycerol Triester, Triacetin Food Grade, Triacetin Solvent, Triacetin Plasticizer, E1518 (food additive naming), Glycerol Triacetate Plasticizer, Triacetin Carrier, Triacetin, Glycerol triacetate, Glyceryl triacetate, Glycerin triacetate, 1,2,3-Triacetoxypropane, Propane-1,2,3-triyl triacetate, Triacetyl glycerol, Triacetylglycerol, Glycerol triethanoate, Glyceryl triethanoate, Glycerin triethanoate, Triacetate of glycerol, Glycerol acetic acid triester, Acetic acid glycerol triester, 1,2,3-Propanetriol triacetate, 1,2,3-Propanetriyl triacetate, 1,2,3-Propanetriol triethanoate, Triacetin USP, Triacetin NF, Triacetin food grade, Triacetin pharmaceutical grade, Triacetin industrial grade, Triacetin technical grade, Triacetin plasticizer, Triacetin solvent, Triacetin carrier solvent, Triacetin humectant, Triacetin emulsifier, Triacetin flavor carrier, Triacetin fragrance fixative, Triacetin coating solvent, Triacetin resin solvent, Triacetin cellulose acetate plasticizer, Triacetin cigarette filter plasticizer, Glyceryl triacetate plasticizer, Glycerol triacetate plasticizer, Glycerin triacetate plasticizer, Acetin triacetate, Triacetyl glycerine, Glycerine triacetate, Glyceryl triacetate ester, Glycerol triacetate ester, Acetic acid 1,2,3-propanetriyl ester, Acetic acid triester with glycerol, Triacetin E1518
APPLICATIONS
Triacetin (Glycerol Triacetate) is used as a flavor solvent and carrier to dissolve and deliver flavor compounds in food and beverage products.
Triacetin (Glycerol Triacetate) is incorporated into flavor concentrates to improve stability and controlled release in finished products.
Triacetin (Glycerol Triacetate) is used in beverage emulsions and syrups in selected applications to support uniform flavor distribution.
Triacetin (Glycerol Triacetate) is used as a humectant in baked goods to improve moisture retention and delay staling.
Triacetin (Glycerol Triacetate) is incorporated into cakes and soft cookies to maintain softness and reduce dryness during storage.
Triacetin (Glycerol Triacetate) is used in fillings and icings to improve smoothness and moisture stability in compatible designs.
Triacetin (Glycerol Triacetate) is used in confectionery to improve texture and act as a carrier for flavors and colors.
Triacetin (Glycerol Triacetate) is incorporated into chewing gum to plasticize the gum base and improve chew properties.
Triacetin (Glycerol Triacetate) is used in hard candy and lozenges in selected applications to support processing and flavor delivery.
Triacetin (Glycerol Triacetate) is used in edible coatings in selected applications to improve flexibility and reduce cracking.
Triacetin (Glycerol Triacetate) is incorporated into food-grade films to improve plasticity and handling performance.
Triacetin (Glycerol Triacetate) is used in encapsulated flavor systems to support controlled release and improved stability.
Triacetin (Glycerol Triacetate) is used in pharmaceutical and nutraceutical products as a solvent and plasticizer for capsule shells and coatings.
Triacetin (Glycerol Triacetate) is incorporated into softgel formulations to support flexibility and reduce brittleness of gelatin shells.
Triacetin (Glycerol Triacetate) is used in controlled-release coatings to tune film properties and drug release behavior.
Triacetin (Glycerol Triacetate) is used in cosmetic and personal care products in selected applications as a solvent, plasticizer, and sensory modifier.
Triacetin (Glycerol Triacetate) is incorporated into fragrances to improve solubilization and stability.
Triacetin (Glycerol Triacetate) is valued because Triacetin (Glycerol Triacetate) provides multifunctional solvent and plasticizer performance across food, pharmaceutical, and industrial applications.
Triacetin (glycerol triacetate) is used as a humectant in food to support moisture retention in some products.
Triacetin (glycerol triacetate) supports softer texture in certain baked goods and confectionery.
Triacetin (glycerol triacetate) helps reduce drying and staling in some finished foods.
Triacetin (glycerol triacetate) is used as a plasticizer in chewing gum base.
Triacetin (glycerol triacetate) supports flexibility and chew texture of gum.
Triacetin (glycerol triacetate) helps maintain consistent gum softness during storage.
Triacetin (glycerol triacetate) is used in confectionery to improve texture in some formulations.
Triacetin (glycerol triacetate) supports smoother mouthfeel in certain candy systems.
Triacetin (glycerol triacetate) helps reduce brittleness in some confectionery products.
Triacetin (glycerol triacetate) is used in bakery fillings to improve texture and stability in some formulations.
Triacetin (glycerol triacetate) supports controlled viscosity and reduced syneresis in some fillings.
Triacetin (glycerol triacetate) helps improve mouthfeel of cream-style fillings.
Triacetin (glycerol triacetate) is used in beverage flavor emulsions as a carrier in some systems.
Triacetin (glycerol triacetate) supports solubilization of lipophilic flavor components.
Triacetin (glycerol triacetate) helps improve clarity and stability in some beverage formulations.
Triacetin (glycerol triacetate) is used as a carrier for food additives in liquid premixes.
Triacetin (glycerol triacetate) supports accurate dosing of flavors and actives.
Triacetin (glycerol triacetate) helps improve processing convenience in manufacturing.
Triacetin (glycerol triacetate) is used as a stabilizer and solvent in fragrances.
Triacetin (glycerol triacetate) supports uniform blending of fragrance ingredients.
Triacetin (glycerol triacetate) helps reduce crystallization and phase separation in some fragrance systems.
Triacetin (glycerol triacetate) is used in cosmetics as a solvent and emollient in some formulations.
Triacetin (glycerol triacetate) supports light skin feel and improved spreadability.
Triacetin (glycerol triacetate) helps improve compatibility of fragrance in cosmetic products.
Triacetin (glycerol triacetate) is used in nail care products as a solvent and plasticizer in some systems.
Triacetin (glycerol triacetate) supports improved film flexibility in some nail coatings.
Triacetin (glycerol triacetate) helps reduce brittleness and cracking in some films.
Triacetin (glycerol triacetate) is used in pharmaceuticals as a solvent and plasticizer in some dosage forms.
Triacetin (glycerol triacetate) supports flexible film formation in coating systems.
Triacetin (glycerol triacetate) helps improve coating integrity on tablets and pellets.
Triacetin (glycerol triacetate) is used as a plasticizer in capsule shells in some formulations.
Triacetin (glycerol triacetate) supports improved softness and reduced brittleness in some capsule films.
Triacetin (glycerol triacetate) helps improve performance of gelatin or alternative capsule materials in some designs.
Triacetin (glycerol triacetate) is used in controlled-release pharmaceutical coatings as a plasticizer.
Triacetin (glycerol triacetate) supports improved flexibility of polymer films during curing.
Triacetin (glycerol triacetate) helps reduce cracking and dose-dumping risk caused by brittle coatings.
Triacetin (glycerol triacetate) is used in pharmaceutical granulation as a binder or solvent in some processes.
Triacetin (glycerol triacetate) supports uniform distribution of actives and polymers in wet granulation.
Triacetin (glycerol triacetate) helps improve processing robustness in some solid dosage manufacturing.
Triacetin (glycerol triacetate) is used in inhalation formulations as a solvent or plasticizer in some designs.
Triacetin (glycerol triacetate) supports stability of certain actives in aerosol systems.
Triacetin (glycerol triacetate) helps optimize particle formation in some spray-dried systems.
Triacetin (glycerol triacetate) is used in tobacco products as a plasticizer for cellulose acetate filters.
Triacetin (glycerol triacetate) supports bonding of filter fibers and controlled firmness.
Triacetin (glycerol triacetate) helps maintain filter integrity during manufacturing and use.
Triacetin (glycerol triacetate) is used in industrial plastics as a plasticizer for cellulose acetate and other resins.
Triacetin (glycerol triacetate) supports improved flexibility and reduced brittleness in molded parts.
Triacetin (glycerol triacetate) helps improve processing of cellulose acetate plastics.
Triacetin (glycerol triacetate) is used in inks as a solvent and viscosity modifier in some formulations.
Triacetin (glycerol triacetate) supports improved flow and leveling in some ink systems.
Triacetin (glycerol triacetate) helps improve adhesion and flexibility of printed films in some applications.
Triacetin (glycerol triacetate) is used in coatings to improve film flexibility and reduce cracking in some formulations.
Triacetin (glycerol triacetate) supports better coalescence and film formation in some resin systems.
Triacetin (glycerol triacetate) helps improve durability of coatings under mechanical stress.
Triacetin (glycerol triacetate) is used in adhesives as a plasticizer and solvency aid in some products.
Triacetin (glycerol triacetate) supports improved tack and flexibility in some adhesive systems.
Triacetin (glycerol triacetate) helps improve workability and reduce brittleness in cured adhesive films.
Triacetin (glycerol triacetate) is used in sealants to adjust viscosity and improve flexibility in some formulations.
Triacetin (glycerol triacetate) supports improved joint movement capability in some sealant systems.
Triacetin (glycerol triacetate) helps reduce cracking and shrink stress in some cured sealants.
Triacetin (glycerol triacetate) is used in polymer processing as a low-volatility solvent-like plasticizer in some systems.
Triacetin (glycerol triacetate) supports improved processability of certain resins.
Triacetin (glycerol triacetate) helps reduce haze and improve clarity in some plasticized polymers.
Triacetin (glycerol triacetate) is used in fragrance delivery systems to support controlled release in some designs.
Triacetin (glycerol triacetate) supports stabilization of fragrance compositions over time.
Triacetin (glycerol triacetate) helps improve performance in air freshener and diffuser liquids.
Triacetin (glycerol triacetate) is used in household products as a solvent and carrier for actives in some formulations.
Triacetin (glycerol triacetate) supports dissolution of certain functional ingredients.
Triacetin (glycerol triacetate) helps improve stability and uniformity in multi-component liquids.
Triacetin (glycerol triacetate) is used in laboratory chemistry as a solvent for polar organic compounds in some contexts.
Triacetin (glycerol triacetate) supports dissolution of certain resins and organics for testing.
Triacetin (glycerol triacetate) helps provide a relatively low-volatility solvent option in some applications.
Triacetin (glycerol triacetate) is used in product development to tune plasticization, flow, and flexibility targets in polymers and coatings.
Triacetin (glycerol triacetate) supports formulation screening for compatibility with resins and additives.
Triacetin (glycerol triacetate) helps optimize performance while maintaining low odor and good stability.
DESCRIPTION
Triacetin (Glycerol Triacetate) is a glycerol-based triester produced by esterifying glycerol with acetic acid or acetic anhydride, and Triacetin (Glycerol Triacetate) is a clear, low-volatility liquid with good solvency for many organic compounds.
Triacetin (Glycerol Triacetate) functions as a plasticizer by increasing flexibility and reducing brittleness in polymer films, and this behavior supports its use in chewing gum base, edible films, and pharmaceutical coatings.
Triacetin (Glycerol Triacetate) provides humectancy and texture support by influencing water activity and improving moisture retention in compatible food systems.
Triacetin (Glycerol Triacetate) is moderately soluble in water and highly compatible with many organic solvents, and this balance makes Triacetin (Glycerol Triacetate) useful as a carrier for flavors and actives.
Triacetin (Glycerol Triacetate) is generally stable under normal storage, but prolonged exposure to strong acids or bases can cause hydrolysis, so formulation pH and storage conditions should be controlled.
Triacetin (Glycerol Triacetate) should be used according to applicable food additive regulations and good manufacturing practices for the target market.
Triacetin (Glycerol Triacetate) is typically odorless to mildly sweet-smelling, and Triacetin (Glycerol Triacetate) has minimal sensory impact at typical use levels.
Triacetin (Glycerol Triacetate) should be stored in tightly closed containers to prevent contamination and moisture changes.
Triacetin (Glycerol Triacetate) should be kept away from strong oxidizers and excessive heat to maintain consistent quality.
Triacetin (glycerol triacetate) is a triester of glycerol and acetic acid used as a food additive and industrial solvent-plasticizer.
Triacetin (glycerol triacetate) is typically a clear, colorless, low-odor liquid with good solvency for many organic compounds.
Triacetin (glycerol triacetate) has limited water solubility but mixes well with many solvents, flavors, and plasticizer systems.
Triacetin (glycerol triacetate) is used in food mainly as a solvent and carrier for flavors and as a plasticizer for chewing gum base.
Triacetin (glycerol triacetate) is also widely used in pharmaceuticals as a plasticizer for tablet coatings and capsule materials.
Triacetin (glycerol triacetate) is used in industrial applications as a plasticizer for cellulose acetate and as a solvent in inks and coatings.
Triacetin (glycerol triacetate) performance depends on dosage, compatibility with polymers or flavor systems, and processing temperature.
Triacetin (glycerol triacetate) should be stored in tightly closed containers in a cool, dry place to prevent contamination and moisture uptake.
Triacetin (glycerol triacetate) is valued for low odor, multifunctional plasticization, and broad usefulness across food, pharma, and industrial formulation.
PROPERTIES
Chemical Formula: C9H14O6
Molecular Weight: 218.20 g/mol
Common Name: Triacetin (Glycerol Triacetate)
Chemical Type: Ester; solvent; humectant; plasticizer; carrier
Appearance: Clear, colorless liquid
Odor: Mild, characteristic odor
Taste: Slightly sweet (concentration dependent)
Solubility: Slightly to moderately soluble in water; miscible with many organic solvents
Density: ~1.16 g/cm³ (typical at 20°C)
Viscosity: Low to moderate; temperature dependent
Boiling Point: ~258°C (typical; may decompose)
Flash Point: Typically >120°C (grade dependent)
Stability: Stable under normal storage; hydrolyzes slowly under strong acidic or basic conditions
Storage Temperature: 15–30°C, tightly closed, dry
Shelf Life: Typically 24–60 months in original sealed packaging (supplier dependent)
FIRST AID
Inhalation:
Move to fresh air if vapors or mists are inhaled.
Seek medical attention if respiratory irritation persists.
Avoid breathing aerosols during spraying or heated processing.
Skin Contact:
Wash with soap and water after contact.
Remove contaminated clothing and wash before reuse.
Seek medical advice if irritation develops or persists.
Eye Contact:
Rinse cautiously with water for several minutes.
Remove contact lenses if present and easy to do, then continue rinsing.
Seek medical attention if irritation persists.
Ingestion:
Rinse mouth with water.
Seek medical attention if discomfort occurs or if a significant amount is swallowed.
Never give anything by mouth to an unconscious person.
Note to Physicians:
Treat symptomatically.
No specific antidote is required.
Provide supportive care as needed.
HANDLING AND STORAGE
Handling:
Use appropriate PPE including gloves and safety glasses for bulk handling.
Avoid splashing into eyes and avoid prolonged skin contact.
Use clean transfer equipment to prevent contamination in food or pharma applications.
Ventilation:
Use general ventilation for normal handling.
Use local exhaust if heating or spraying generates mists.
Avoid aerosol formation in enclosed spaces without adequate airflow.
Storage:
Store in tightly closed containers in a cool, dry place.
Protect from excessive heat and direct sunlight to maintain stable quality.
Keep away from strong oxidizers, strong acids, and strong bases.
Spill and Leak Procedures:
Contain spill and absorb with inert material.
Clean residue promptly because liquids can create slip hazards.
Dispose of waste according to local regulations and facility procedures.
Handling Precautions:
Optimize dosage because Triacetin (Glycerol Triacetate) affects plasticization, solvency, and texture depending on the formulation.
Control pH exposure because Triacetin (Glycerol Triacetate) can hydrolyze under strong acidic or basic conditions during storage.
Rotate stock using FIFO practices to maintain consistent quality and predictable formulation performance.