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E1518 Triacetin is the food additive name for glycerol triacetate, a triester of glycerol and acetic acid used in food and beverage applications as a solvent, humectant, plasticizer, and carrier, and E1518 Triacetin is valued for broad compatibility with flavors and formulation systems.
E1518 Triacetin is commonly used as a carrier for flavorings and as a texture-supporting ingredient in selected products, and E1518 Triacetin can also be used as a plasticizer in chewing gum base and edible coating systems.
E1518 Triacetin is typically supplied as a clear, colorless liquid with a mild odor, and E1518 Triacetin 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: E1518 Triacetin, Triacetin, Glycerol Triacetate, Glycerin Triacetate, 1,2,3-Propanetriol Triacetate, Acetic Acid Glycerol Triester, Triacetin Food Additive, E1518, Triacetin Flavor Carrier, Triacetin Solvent, Triacetin Plasticizer, Glycerol Triacetate Food Grade, E1518 Triacetin, E 1518 Triacetin, Triacetin E1518, Triacetin, Glycerol Triacetate, Glycerol Triacetin, Glyceryl Triacetate, Glycerin Triacetate, Glycerine Triacetate, 1,2,3-Triacetoxypropane, Propane-1,2,3-triyl Triacetate, 1,2,3-Propanetriol Triacetate, 1,2,3-Propanetriyl Triacetate, Triacetyl Glycerol, Triacetylglycerol, Glycerol Acetic Acid Triester, Acetic Acid Glycerol Triester, Acetic Acid Triester With Glycerol, Acetic Acid 1,2,3-propanetriyl Ester, Glycerol Triethanoate, Glyceryl Triethanoate, Glycerin Triethanoate, Triacetate Of Glycerol, Glyceryl Triacetate Ester, Glycerol Triacetate Ester, Food Additive E1518, INS 1518 Triacetin, Triacetin Food Grade, E1518 Food Grade Triacetin, Triacetin Pharmaceutical Grade, Triacetin USP, Triacetin NF, 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, CAS 102-76-1, EC 203-051-9
APPLICATIONS
E1518 Triacetin is used as a flavor solvent and carrier to dissolve and deliver flavor compounds in food and beverage products.
E1518 Triacetin is incorporated into flavor concentrates to improve stability and controlled release in finished products.
E1518 Triacetin is used in beverage syrups and flavor emulsions in selected applications to support uniform flavor distribution.
E1518 Triacetin is used in chewing gum to plasticize the gum base and improve chew properties.
E1518 Triacetin is incorporated into gum base formulations to improve flexibility and reduce brittleness.
E1518 Triacetin is used in coated chewing gum to support consistent texture and processing performance.
E1518 Triacetin is used as a humectant in baked goods in selected applications to improve moisture retention and delay staling.
E1518 Triacetin is incorporated into cakes and soft cookies to maintain softness and reduce dryness during storage.
E1518 Triacetin is used in fillings and icings to improve smoothness and moisture stability in compatible designs.
E1518 Triacetin is used in confectionery in selected applications to act as a carrier for flavors and colors and to support texture control.
E1518 Triacetin is incorporated into lozenges and specialty candies in compatible systems to improve processing and flavor delivery.
E1518 Triacetin is used in dessert preparations in selected applications to improve mouthfeel and stability.
E1518 Triacetin is used in edible films and coatings in selected applications to improve flexibility and reduce cracking.
E1518 Triacetin is incorporated into food-grade coatings to improve plasticity and handling performance.
E1518 Triacetin is used in encapsulated flavor systems to support controlled release and improved stability.
E1518 Triacetin is valued because E1518 Triacetin provides a multifunctional carrier and plasticizer solution that supports stable flavor delivery, improved chewing gum performance, and better texture control in selected food systems.
E1518 Triacetin is used as a humectant in food to support moisture retention in some products.
E1518 Triacetin supports softer texture in certain baked goods and confectionery.
E1518 Triacetin helps reduce drying and staling in some finished foods.
E1518 Triacetin is used as a plasticizer in chewing gum base.
E1518 Triacetin supports flexibility and chew texture of gum.
E1518 Triacetin helps maintain consistent gum softness during storage.
E1518 Triacetin is used in confectionery to improve texture in some formulations.
E1518 Triacetin supports smoother mouthfeel in certain candy systems.
E1518 Triacetin helps reduce brittleness in some confectionery products.
E1518 Triacetin is used in bakery fillings to improve texture and stability in some formulations.
E1518 Triacetin supports controlled viscosity and reduced syneresis in some fillings.
E1518 Triacetin helps improve mouthfeel of cream-style fillings.
E1518 Triacetin is used in beverage flavor emulsions as a carrier in some systems.
E1518 Triacetin supports solubilization of lipophilic flavor components.
E1518 Triacetin helps improve clarity and stability in some beverage formulations.
E1518 Triacetin is used as a carrier for food additives in liquid premixes.
E1518 Triacetin supports accurate dosing of flavors and actives.
E1518 Triacetin helps improve processing convenience in manufacturing.
E1518 Triacetin is used as a stabilizer and solvent in fragrances.
E1518 Triacetin supports uniform blending of fragrance ingredients.
E1518 Triacetin helps reduce crystallization and phase separation in some fragrance systems.
E1518 Triacetin is used in cosmetics as a solvent and emollient in some formulations.
E1518 Triacetin supports light skin feel and improved spreadability.
E1518 Triacetin helps improve compatibility of fragrance in cosmetic products.
E1518 Triacetin is used in nail care products as a solvent and plasticizer in some systems.
E1518 Triacetin supports improved film flexibility in some nail coatings.
E1518 Triacetin helps reduce brittleness and cracking in some films.
E1518 Triacetin is used in pharmaceuticals as a solvent and plasticizer in some dosage forms.
E1518 Triacetin supports flexible film formation in coating systems.
E1518 Triacetin helps improve coating integrity on tablets and pellets.
E1518 Triacetin is used as a plasticizer in capsule shells in some formulations.
E1518 Triacetin supports improved softness and reduced brittleness in some capsule films.
E1518 Triacetin helps improve performance of gelatin or alternative capsule materials in some designs.
E1518 Triacetin is used in controlled-release pharmaceutical coatings as a plasticizer.
E1518 Triacetin supports improved flexibility of polymer films during curing.
E1518 Triacetin helps reduce cracking and dose-dumping risk caused by brittle coatings.
E1518 Triacetin is used in pharmaceutical granulation as a binder or solvent in some processes.
E1518 Triacetin supports uniform distribution of actives and polymers in wet granulation.
E1518 Triacetin helps improve processing robustness in some solid dosage manufacturing.
E1518 Triacetin is used in inhalation formulations as a solvent or plasticizer in some designs.
E1518 Triacetin supports stability of certain actives in aerosol systems.
E1518 Triacetin helps optimize particle formation in some spray-dried systems.
E1518 Triacetin is used in tobacco products as a plasticizer for cellulose acetate filters.
E1518 Triacetin supports bonding of filter fibers and controlled firmness.
E1518 Triacetin helps maintain filter integrity during manufacturing and use.
E1518 Triacetin is used in industrial plastics as a plasticizer for cellulose acetate and other resins.
E1518 Triacetin supports improved flexibility and reduced brittleness in molded parts.
E1518 Triacetin helps improve processing of cellulose acetate plastics.
E1518 Triacetin is used in inks as a solvent and viscosity modifier in some formulations.
E1518 Triacetin supports improved flow and leveling in some ink systems.
E1518 Triacetin helps improve adhesion and flexibility of printed films in some applications.
E1518 Triacetin is used in coatings to improve film flexibility and reduce cracking in some formulations.
E1518 Triacetin supports better coalescence and film formation in some resin systems.
E1518 Triacetin helps improve durability of coatings under mechanical stress.
E1518 Triacetin is used in adhesives as a plasticizer and solvency aid in some products.
E1518 Triacetin supports improved tack and flexibility in some adhesive systems.
E1518 Triacetin helps improve workability and reduce brittleness in cured adhesive films.
E1518 Triacetin is used in sealants to adjust viscosity and improve flexibility in some formulations.
E1518 Triacetin supports improved joint movement capability in some sealant systems.
E1518 Triacetin helps reduce cracking and shrink stress in some cured sealants.
E1518 Triacetin is used in polymer processing as a low-volatility solvent-like plasticizer in some systems.
E1518 Triacetin supports improved processability of certain resins.
E1518 Triacetin helps reduce haze and improve clarity in some plasticized polymers.
E1518 Triacetin is used in fragrance delivery systems to support controlled release in some designs.
E1518 Triacetin supports stabilization of fragrance compositions over time.
E1518 Triacetin helps improve performance in air freshener and diffuser liquids.
E1518 Triacetin is used in household products as a solvent and carrier for actives in some formulations.
E1518 Triacetin supports dissolution of certain functional ingredients.
E1518 Triacetin helps improve stability and uniformity in multi-component liquids.
E1518 Triacetin is used in laboratory chemistry as a solvent for polar organic compounds in some contexts.
E1518 Triacetin supports dissolution of certain resins and organics for testing.
E1518 Triacetin helps provide a relatively low-volatility solvent option in some applications.
E1518 Triacetin is used in product development to tune plasticization, flow, and flexibility targets in polymers and coatings.
E1518 Triacetin supports formulation screening for compatibility with resins and additives.
E1518 Triacetin helps optimize performance while maintaining low odor and good stability.
E1518 Triacetin is used in manufacturing troubleshooting to address brittle coatings and cracking defects in some films.
E1518 Triacetin supports improved film flexibility and integrity when compatibility is verified.
E1518 Triacetin helps reduce rejects by stabilizing film formation behavior.
E1518 Triacetin is used in quality control to verify purity, ester value, and water content in food and pharma grades.
E1518 Triacetin supports consistent performance in flavors, coatings, and capsule applications.
E1518 Triacetin helps ensure stable batch-to-batch quality in manufacturing.
E1518 Triacetin is used in education and training as an example of ester chemistry and plasticizer behavior.
E1518 Triacetin supports teaching about triesters, solvency, and film flexibility.
E1518 Triacetin helps illustrate cross-industry uses of a single multifunctional ester.
E1518 Triacetin is used in export flavor formulations to maintain stable aroma performance through long logistics chains.
E1518 Triacetin supports consistent flavor delivery during storage and transport.
E1518 Triacetin helps reduce customer complaints related to separation and flavor loss.
E1518 Triacetin is used in emulsified flavor systems to improve stability of lipophilic aroma ingredients in some designs.
E1518 Triacetin supports improved compatibility of flavor oils with emulsifiers.
E1518 Triacetin helps reduce phase separation risk in liquid flavor preparations.
DESCRIPTION
E1518 Triacetin is glycerol triacetate produced by esterifying glycerol with acetic acid or acetic anhydride, and E1518 Triacetin is a clear, low-volatility liquid with good solvency for many flavor compounds.
E1518 Triacetin functions as a plasticizer by increasing flexibility and reducing brittleness in polymer films, and this behavior supports its use in chewing gum base and edible coating systems.
E1518 Triacetin provides humectancy and texture support by influencing water activity and improving moisture retention in compatible food systems.
E1518 Triacetin is slightly to moderately soluble in water and highly compatible with many organic solvents, and this balance makes E1518 Triacetin useful as a carrier for flavors and actives.
E1518 Triacetin 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.
E1518 Triacetin should be used according to applicable food additive regulations and good manufacturing practices for the target market.
E1518 Triacetin has minimal sensory impact at typical use levels, and E1518 Triacetin is widely used when neutral carrier behavior is required.
E1518 Triacetin should be stored in tightly closed containers to prevent contamination and moisture changes.
E1518 Triacetin should be kept away from strong oxidizers and excessive heat to maintain consistent quality.
E1518 Triacetin is glycerol triacetate, a triester of glycerol and acetic acid used as a food additive and industrial solvent-plasticizer.
E1518 Triacetin is typically a clear, colorless, low-odor liquid with good solvency for many organic compounds.
E1518 Triacetin has limited water solubility but mixes well with many solvents, flavors, and plasticizer systems.
E1518 Triacetin is used in food mainly as a solvent and carrier for flavors and as a plasticizer for chewing gum base.
E1518 Triacetin is also widely used in pharmaceuticals as a plasticizer for tablet coatings and capsule materials.
E1518 Triacetin is used in industrial applications as a plasticizer for cellulose acetate and as a solvent in inks and coatings.
E1518 Triacetin performance depends on dosage, compatibility with polymers or flavor systems, and processing temperature.
E1518 Triacetin should be stored in tightly closed containers in a cool, dry place to prevent contamination and moisture uptake.
E1518 Triacetin 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: E1518 Triacetin
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 E1518 Triacetin affects plasticization, solvency, and texture depending on the formulation.
Control pH exposure because E1518 Triacetin can hydrolyze under strong acidic or basic conditions during storage.
Rotate stock using FIFO practices to maintain consistent quality and predictable formulation performance.
