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Triethyl Citrate E1505 is an organic ester of citric acid and ethanol used as a multifunctional liquid ingredient in food, cosmetic, and pharmaceutical applications.
Triethyl Citrate E1505 is a colorless, practically odorless oily liquid used as a food additive, emulsifier, and solvent to stabilize foams, especially as a whipping aid for egg white.
Triethyl Citrate E1505 is also used in pharmaceutical coatings, plastics, and as a plasticizer for polyvinyl chloride and similar plastics.
CAS Number: 77-93-0
EC Number: 201-070-7
Molecular Formula: C12H20O7
Molecular Weight: 276.28 g/mol
Synonyms: Triethyl Citrate, E1505, INS 1505, Ethyl Citrate, Citric Acid Triethyl Ester, 1,2,3-Propanetricarboxylic Acid 2-Hydroxy Triethyl Ester, Triethyl 2-Hydroxypropane-1,2,3-Tricarboxylate, TEC, FEMA No. 3083, NSC-8907, Triaethylcitrat, Citric Acid Ethyl Ester
Triethyl Citrate E1505 is produced by chemically linking citric acid (E330) to three ethanol molecules in an esterification reaction.
Triethyl Citrate E1505 is used in the chemical and pharmaceutical industries as a solvent and plasticizer, and in the food industry to keep chicken protein compressed by binding and neutralizing residues of flowing egg yolk.
Triethyl Citrate E1505 exhibits both hydrophilic and lipophilic characteristics and is miscible with alcohol, ethanol, and ether, and moderately soluble in water.
Triethyl Citrate E1505 is authorized as food additive E1505 with category-based conditions of use by major food regulatory authorities.
Triethyl Citrate E1505 has also been used as a pseudo-emulsifier in e-cigarette juices, functioning essentially like lecithin used in food products but with the possibility of vaporization.
Triethyl Citrate E1505 is stable under recommended storage conditions and is generally not particularly sensitive to oxidation.
Uses of Triethyl Citrate E1505:
Triethyl Citrate E1505 is used as a flavoring agent in foods, enhancing taste while also acting as a high boiling solvent and plasticizer.
Triethyl Citrate E1505 is used in the food sector as a stabilizing agent, specifically to enhance the whipping of organic egg whites and as a solvent or processing aid in specific technological applications.
Triethyl Citrate E1505 is used in pharmaceuticals as a plasticizer for coating capsules, tablets, and other formulations to achieve desired release profiles such as taste masking or sustained release.
Triethyl Citrate E1505 is used in cosmetics and personal care products for its natural deodorizing and skin care properties, and as a functional solvent to improve performance and sensory profile of deodorants.
Triethyl Citrate E1505 is used in perfumery as a diluent and support for fragrance longevity as a fixative.
Triethyl Citrate E1505 is used in hairspray and styling products as a plasticizer for more flexible, less friable films, and in nail care as a support for films and resins to improve adhesion, flexibility, and crack resistance.
Triethyl Citrate E1505 is widely used as a plasticizer for vinyl resins and cellulose resins, and for non-toxic PVC granulation, ink, paint, soft toys for children, and medical products.
Triethyl Citrate E1505 is used for plasticized products with good oil resistance, light resistance, and mildew resistance.
Triethyl Citrate E1505 is employed as a plasticizer and humectant for cigarette filters.
Triethyl Citrate E1505 is used in hydroalcoholic solutions, multi-solvent systems, and sprays to help solubilize lipophilic components and resins.
Benefits or Advantages of Triethyl Citrate E1505:
Triethyl Citrate E1505 is approved for use in food, cosmetic, and pharmaceutical formulations by major regulatory authorities including the FDA and EFSA.
Triethyl Citrate E1505 improves flexibility and durability of films and resins when used as a plasticizer, providing good oil resistance, light resistance, and mildew resistance.
Triethyl Citrate E1505 supports reduction of skin odors linked to microbial and enzymatic activity when used in underarm deodorant formulations.
Triethyl Citrate E1505 improves longevity and roundness of fragrances as a diluent and fixative in perfumery.
Triethyl Citrate E1505 has generally favorable biodegradability, making it an environmentally preferable choice compared to many synthetic plasticizers.
Triethyl Citrate E1505 is an approved food-grade plasticizer widely used in PVC and similar applications as an alternative to conventional plasticizers.
Features of Triethyl Citrate E1505:
Triethyl Citrate E1505 is a practically colorless, oily liquid with little odor and a slightly bitter taste under normal conditions.
Triethyl Citrate E1505 is miscible with alcohol, ethanol, and ether, moderately soluble in water at approximately 65 mg/mL, and slightly soluble in oils such as peanut oil.
Triethyl Citrate E1505 has a viscosity of approximately 35.2 cP at 25 degrees C and a refractive index of approximately 1.439 to 1.445 at 20 degrees C.
Triethyl Citrate E1505 has very low vapor pressure of approximately 0.000687 mmHg at 25 degrees C and is stable under recommended storage conditions.
Triethyl Citrate E1505 is available in cosmetic grade, food grade E1505, and pharmaceutical or analytical grade, with stricter impurity profiles required for controlled applications.
Chemical Properties of Triethyl Citrate E1505:
Triethyl Citrate E1505 is an ester formed by the reaction of citric acid with three moles of ethanol, yielding a molecule with the linear formula HOC(COOC2H5)(CH2COOC2H5)2.
Triethyl Citrate E1505 has an exact monoisotopic mass of 276.12090297 g/mol, a hydrogen bond acceptor count of 7, a hydrogen bond donor count of 1, and a topological polar surface area of 99.1 Ų.
Triethyl Citrate E1505 has a predicted pKa of 11.57 and a LogP of approximately 0.1 to 1.267, indicating moderate lipophilicity.
Triethyl Citrate E1505 is stable under recommended storage conditions but should avoid prolonged strongly acidic or strongly basic conditions, especially combined with water and heat, due to risk of hydrolysis.
Triethyl Citrate E1505 when heated to decomposition may emit acrid smoke and irritating fumes, and thermal decomposition may produce carbon monoxide, carbon dioxide, and irritating organic vapors.
Production and Chemical Reactions of Triethyl Citrate E1505:
Triethyl Citrate E1505 is produced by esterification of citric acid with ethanol under controlled conditions, typically in the presence of an acid catalyst to achieve the triethyl ester product.
Triethyl Citrate E1505 production involves three esterification steps in which each carboxylic acid group of citric acid reacts with one molecule of ethanol to form an ethyl ester linkage, resulting in the final triester product.
Triethyl Citrate E1505 production quality control checks parameters such as purity, color, odor, acidity, water content, and heavy metal content to comply with applicable food, cosmetic, or pharmaceutical specifications.
Material Safety Data Sheet (MSDS) of Triethyl Citrate E1505:
Handling of Triethyl Citrate E1505:
Triethyl Citrate E1505 should be handled in accordance with good industrial hygiene and safety practices.
Triethyl Citrate E1505 handling requires avoiding prolonged eye contact and inhalation of concentrated aerosols or vapors.
Triethyl Citrate E1505 handling requires keeping away from excessive heat, open flames, and incompatible materials.
Triethyl Citrate E1505 handling requires washing hands thoroughly after handling and not eating, drinking, or smoking while using the product.
SDS of Triethyl Citrate E1505:
Stability and Reactivity of Triethyl Citrate E1505:
Chemical stability:
Triethyl Citrate E1505 is stable under recommended storage and handling conditions.
Reactivity:
Triethyl Citrate E1505 has low chemical reactivity under normal handling and processing conditions.
Triethyl Citrate E1505 may undergo hydrolysis under prolonged strongly acidic or strongly basic conditions, especially combined with water and heat.
Conditions to avoid:
Excessive heat.
Open flames and ignition sources.
Strongly acidic or strongly basic conditions combined with water and heat.
Prolonged air exposure.
Incompatible materials:
Strong oxidizing agents.
Strong acids.
Strong alkalis.
Hazardous decomposition products:
Carbon monoxide (CO).
Carbon dioxide (CO2).
Acrid smoke and irritating organic vapors.
Handling and Storage of Triethyl Citrate E1505:
Handling:
Handle in accordance with good industrial hygiene and safety practices.
Avoid prolonged eye contact and inhalation of concentrated aerosols or vapors.
Keep away from excessive heat, open flames, and incompatible materials.
Storage:
Store in tightly closed containers in a cool, dry, and well-ventilated area.
Store below 30 degrees C; some grades require storage at 2 to 8 degrees C.
Protect from excessive heat, moisture, and incompatible materials.
First Aid Measures of Triethyl Citrate E1505:
Inhalation:
Move person to fresh air.
If breathing difficulty or irritation occurs, seek medical attention.
Skin contact:
Wash affected area with soap and water.
Remove contaminated clothing if necessary.
Eye contact:
Rinse cautiously with clean water for several minutes.
Remove contact lenses if present and easy to do.
Seek medical attention if irritation persists.
Ingestion:
Rinse mouth with water.
Triethyl Citrate E1505 is a food-grade material approved for use as intended.
Seek medical advice if discomfort or unusual symptoms occur.
Notes for physician:
Treat symptomatically.
No specific antidote is required.
Firefighting Measures of Triethyl Citrate E1505:
Suitable extinguishing media:
Water spray.
Foam.
Dry chemical powder.
Carbon dioxide (CO2).
Specific hazards:
Triethyl Citrate E1505 may burn under fire conditions and produce acrid smoke and irritating fumes.
Flash point is approximately 151 to 155 degrees C.
Protective equipment for firefighters:
Wear self-contained breathing apparatus (SCBA).
Wear full protective clothing during firefighting operations.
Accidental Release Measures of Triethyl Citrate E1505:
Personal precautions:
Avoid contact with eyes and skin.
Avoid inhalation of vapors.
Use appropriate personal protective equipment.
Environmental precautions:
Prevent large quantities from entering drains, waterways, or soil.
Cleanup methods:
Absorb with inert material such as sand, earth, or absorbent granules.
Collect into suitable containers for disposal according to local regulations.
Wash spill area with water after collection.
Exposure Controls / Personal Protective Equipment of Triethyl Citrate E1505:
Engineering controls:
Provide adequate ventilation, especially where vapors or aerosols may be generated.
Respiratory protection:
Not normally required under good ventilation.
Use suitable respiratory protection if vapor or aerosol concentrations are high.
Eye protection:
Safety glasses or chemical splash goggles.
Skin protection:
Chemical-resistant gloves and protective clothing.
Hygiene measures:
Wash hands after handling.
Do not eat, drink, or smoke while using the product.
Identifiers of Triethyl Citrate E1505:
E Number: E1505
INS Number: 1505
CAS No.: 77-93-0
EC Number (EINECS): 201-070-7
FEMA Number: 3083
UNII: 8Z96QXD6UM
JECFA Number: 629
RTECS Number: GE8050000
MDL Number: MFCD00009201
DSSTox Substance ID: DTXSID0040701
InChIKey: DOOTYTYQINUNNV-UHFFFAOYSA-N
SMILES: CCOC(=O)CC(O)(CC(=O)OCC)C(=O)OCC
Function: Solvent, plasticizer, emulsifier, deodorant, fixative, processing aid
Properties of Triethyl Citrate E1505:
Physical state: Liquid
Appearance: Practically colorless, oily liquid; clear to nearly colorless
Odor: Generally odorless or slight characteristic odor; some sources describe a faint fruity odor
Taste: Bitter
Color: Colorless to practically colorless
Density: ~1.1369 g/cm3 at 20 degrees C (range 1.138 to 1.139)
Melting point: Approximately -55 degrees C
Boiling point: Approximately 294 degrees C (235 degrees C at 150 mmHg)
Flash point: Approximately 151 to 155 degrees C (closed cup); >230 degrees F (open cup)
Vapor pressure: ~0.000687 mmHg at 25 degrees C; ~1 mmHg at 107 degrees C
Vapor density: 9.7 (vs air)
Viscosity: ~35.2 cP at 25 degrees C
Refractive index: n20/D ~1.442; range 1.440 to 1.444
Pour point: Approximately -46 degrees C
Solubility in water: ~65 mg/mL (moderately soluble); ~5.7 g/100 mL at 25 degrees C
Solubility in organic solvents: Miscible with ethanol, alcohol, and ether; slightly soluble in oils
pKa: 11.57 ± 0.29 (predicted)
LogP: ~0.1 to 1.267
Topological polar surface area: 99.1 Ų
Henry's Law constant: ~3.8 x 10-9 atm·m3/mol at 25 degrees C
Specifications of Triethyl Citrate E1505:
Chemical name: Triethyl Citrate
Active content: ≥95%
Appearance: Colorless to practically colorless oily liquid
Odor: Odorless or slight characteristic odor
Refractive index: 1.440 to 1.444
Density: 1.136 to 1.140 g/cm3
Acid value: Low (controlled per grade specification)
Water content: Controlled per grade specification
Heavy metals: Must comply with applicable food, cosmetic, or pharmaceutical grade limits
Storage conditions: Store below 30 degrees C in tightly closed containers; some grades at 2 to 8 degrees C
Names of Triethyl Citrate E1505:
Triethyl Citrate
E1505
INS 1505
Ethyl Citrate
Citric Acid Triethyl Ester
1,2,3-Propanetricarboxylic Acid 2-Hydroxy Triethyl Ester
Triethyl 2-Hydroxypropane-1,2,3-Tricarboxylate
TEC
FEMA 3083
NSC-8907
Triaethylcitrat
Citric Acid Ethyl Ester
