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Appearance: white crystalline powder or granular solid.
Synonyms: 1,2,3-Propanetriol, 1,2,3-tribenzoate; 1,2,3-Propanetriol, tribenzoate; AI3-08196; FEMA No. 3398; Glycerol tribenzoate; NSC 2230; Tribenzoin; propane-1,2,3-triyl tribenzoate; UNiplex 260; Benzoflex S-404
Molecular Formula: C24H20O6
Molecular weight: 404.412
CAS No.: 614-33-5
EC No.: 210-379-6
FEMA: 3398
Sense requirement:
This product is white crystalline powder or granular solid.
Quality Standard:
| Item | Industrial grade | Food grade |
| Appearance at 80℃ | Colourless to yellow liquid | Colourless to yellow liquid |
| IR | Correspond with criterion | Correspond with criterion |
| Assay (HPLC), % | ≥98 | ≥98 |
| Melting point, ℃ | 70.0~74.0 | 70.0~74.0 |
| Acid value(mg KOH/g) | ≤2.0 | ≤1.0 |
| Heavy metals, ppm | ---- | ≤20.0 |
| Arsenic, ppm | ---- | ≤3.0 |
| Loss on drying, % | ---- | ≤1.0 |
Characteristics: It is a white crystalline powder or granule. Insoluble in water slightly soluble in ethanol and soluble in ether£¬ethyl acetate£¬benzene chloroform etc.
Storage: Maintain in cool, dry containment.
Package: 25kg/drum or as customer require.
Expiration Date: 2 years
1,2,3-Propanetriol tribenzoate can be used as a flavoring agent (Flavouring Agents), JECFA No.: 861, Flavor Number: 3398, serving as a density/specific gravity balancer for flavors; as a plasticizer and binder in polymer coatings for packaging dry foods (direct food contact); as a plasticizer for heat-seal films in plastic packaging, polymer films for pressed discs, polyvinylidene fluoride flexible tubing, polyvinyl chloride pipes, organic photosensitive conductors, hot-melt labels, flexible polyester films, hot melt adhesives, moisture-curing sealants, inks, and topcoats; as a coating agent for foamed polymer particles; as a viscosity enhancer in ceramic printing glaze thermal transfer, laser-induced thermal transfer, and the production of thermal transfer labels; as a binder for anhydrous dyes; as a crystallization accelerator in polyester casting and injection molding; as an organic melt viscosity modifier; and as a solvent for chemiluminescence activators. It can be used for manufacturing sealing rings; preparing cable materials or wire and cable sheath materials; preparing metallized films for capacitors; preparing vulcanized rubber compounds resistant to ultraviolet radiation; preparing high weather-resistant PA6/PCTG/PAR composite materials, etc.
In addition, 1,2,3-Propanetriol tribenzoate is also widely used in medical devices as an alternative to phthalate plasticizers; it can be used to treat urea cycle disorders and neurodegenerative diseases; it can be formulated into a composition containing benzoate to treat glycine encephalopathy; and it can be made into liquid-based cell preparations, etc. Due to its FDA approval, 1,2,3-Propanetriol tribenzoate is also widely used in cosmetics for nail polish formulations., and is typically used as a special environmentally friendly plasticizer in nail polish formulations.
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glycerol


benzoic acid


glyceryl tribenzoate
| Conditions | Yield |
|---|---|
|
With calcium hydroxide; In 5,5-dimethyl-1,3-cyclohexadiene; decane; at 220 ℃; for 1h; Solvent; Reagent/catalyst; Reflux; Large scale;
|
99.2% |
|
With H2SO4/TiO2-La2O3-solid acid catalyst; at 185 - 195 ℃; for 12h;
|
88.6% |
|
at 200 ℃; anschl. auf 270grad;
|
|
|
at 200 ℃; dann auf 270grad im Druckrohr erhitzen;
|
|
|
With silicate-catalyst; at 200 - 220 ℃; unter Entfernen des entstehenden Wassers;
|

benzoyl chloride


glycerol


glyceryl tribenzoate
| Conditions | Yield |
|---|---|
|
With dmap; triethylamine; In dichloromethane; at 20 ℃; for 16h; Cooling with ice;
|
70% |
|
|
|
|
With pyridine;
|
|
|
With sodium hydroxide;
|
|
|
With potassium dihydrogenphosphate; sodium hydroxide; In water; at 25 ℃; for 0.333333h;
|

pyridine

benzoyl chloride

glycerol

(R,S)-2,2-dimethyl-1,3-dioxolane-4-methanol

benzoic acid ethyl ester

2,3-bis-benzoyloxy-propan-1-ol

2-hydroxy-2-phenylacetophenone

sodium benzoate