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Glycerol Triacetate E1518 is used as a binder for solid rocket fuels. Fungicide, humectant and solvent for flavours derived from glycerol and acetic acid.
Glycerol Triacetate E1518 can also be used as a fuel additive as an antiknock agent which can reduce engine knocking in gasoline, and to improve cold and viscosity properties of bio diesel.
Glycerol Triacetate E1518 is also a component of casting liquor with TG and as an excipient in pharmaceutical products where it is used as a humectant, a plasticiser, and as a solvent.
CAS: 102-76-1
MF: C9H14O6
MW: 218.2
EINECS: 203-051-9
Synonyms
TRIACETIN;TRIACETIN (C2:0);Triacetyl glycerin;GLYCERIN TRIACETATE;1,3-Diacetyloxypropan-2-yl acetate;propane-1,2,3-triyl triethanoate;Glyceryl triacetate,1,2,3-Triacetoxypropane, 1,2,3-Triacetylglycerol, Glycerol triacetate, Triacetin;Triacetin, 99%, extra pure, Ph Eur, USP, BP
Glycerol Triacetate E1518 is used as a humectant and flavor solvent in food production.
Glycerol Triacetate E1518 is commonly found in baked goods, confectionery, and beverages to retain moisture and enhance flavor.
Glycerol Triacetate E1518 is a triester of glycerin and acetic acid that occurs naturally in papaya.
Glycerol Triacetate E1518 is mainly used as a synthetic flavoring agent in ice-creams, nonalcoholic beverages and baked goods.
Glycerol Triacetate E1518 Chemical Properties
Melting point: 3 °C(lit.)
Boiling point: 258-260 °C(lit.)
density: 1.16 g/mL at 25 °C(lit.)
vapor density: 7.52 (vs air)
vapor pressure: 0.00248 mm Hg @ 250C
refractive index: n25/D 1.429-1.431(lit.)
FEMA: 2007 | (TRI-)ACETIN
Fp: 300 °F
storage temp.: Sealed in dry,Room Temperature
solubility: Soluble in water, miscible with ethanol (96 per cent) and toluene.
form: Liquid
color: Clear colorless
PH: 5.0-6.0 (20°C, 50g/L in H2O)
Odor: Characteristic odour
explosive limit: 1.05%, 189°F
biological source: synthetic
Odor Type: fruity
Water Solubility: 64.0 g/L (20 ºC)
Merck: 14,9589
JECFA Number: 920
BRN: 1792353
Henry's Law Constant: 8.0×102 mol/(m3Pa) at 25℃, Duchowicz et al. (2020)
Dielectric constant: 7.2（20℃）
Stability: Stable. Incompatible with strong oxidizing agents. Combustible.
Major Application: flavors and fragrances
Cosmetics Ingredients Functions: PLASTICISER SOLVENT FILM FORMING FRAGRANCE ANTIMICROBIAL
InChI: 1S/C9H14O6/c1-6(10)13-4-9(15-8(3)12)5-14-7(2)11/h9H,4-5H2,1-3H3
InChIKey: URAYPUMNDPQOKB-UHFFFAOYSA-N
LogP: 0.25
CAS DataBase Reference: 102-76-1(CAS DataBase Reference)
NIST Chemistry Reference: Glycerol Triacetate E1518(102-76-1)
EPA Substance Registry System: Glycerol Triacetate E1518 (102-76-1)
Uses
As fixative in perfumery; solvent in manufacture of celluloid, photographic films.
Glycerol Triacetate E1518 as a solvent for basic dyes, particularly indulines, and tannin in dyeing.
Clinical Use
Glycerol Triacetate E1518 is a colorless, oilyliquid with a slight odor and a bitter taste.
The compound issoluble in water and miscible with alcohol and most organicsolvents.
The activity of Glycerol Triacetate E1518 is a result of the acetic acid releasedby hydrolysis of the compound by esterases presentin the skin.
Acid release is a self-limiting process becausethe esterases are inhibited below pH 4.
Glycerol Triacetate E1518, a component of cigarette filters, induced a contact dermatitis in a worker at a cigarette manufacturers.
Manufacturing Process
200 grams of allyl acetate, 450 grams of glacial acetic acid and 3.71 grams of cobaltous bromide were charged to the reactor and the mixture was heated to 100°C.
Pure oxygen was then introduced into the reactor below the surface of the liquid reaction mixture at the rate of 0.5 standard cubic feet per hour.
Initially, all of the oxygen was consumed, but after a period of time oxygen introduced into the mixture passed through unchanged.
During the course of the reaction, a small quantity of gaseous hydrogen bromide (a total of 1.9 grams) was introduced into the reaction zone, along with the oxygen.
The reaction was allowed to continue for 6 hours following which the reaction mixture was distilled.
Essentially complete conversion of the allyl acetate took place.
A yield of 116 grams of Glycerol Triacetate E1518 was obtained, this being accomplished by distilling the glycerol triacetate overhead from the reaction mixture, at an absolute pressure of approximately 13 mm of mercury.
