Triacetin: Difference between revisions

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'''Triacetin''' (also known as '''glyceryl triacetate''') is a colorless, odorless, viscous liquid that is used in a variety of industrial and consumer applications. It is a triester of [[glycerol]] and [[acetic acid]], and is the simplest example of a [[triglyceride]].
{{Short description|A chemical compound used as a plasticizer and solvent}}
{{Chembox
| verifiedrevid = 477239870
| ImageFile = Triacetin.svg
| ImageSize = 150px
| ImageAlt = Structural formula of triacetin
| IUPACName = Propane-1,2,3-triyl triacetate
| OtherNames = Glycerol triacetate
}}


==Chemical Properties==
'''Triacetin''', also known as '''glycerol triacetate''', is a [[chemical compound]] with the formula C<sub>9</sub>H<sub>14</sub>O<sub>6</sub>. It is the [[triester]] of [[glycerol]] and [[acetic acid]].
Triacetin is a clear, colorless and hygroscopic liquid. It has a high boiling point and a low melting point, which makes it a liquid at room temperature. It is soluble in many organic solvents, but only slightly soluble in water.
 
==Properties==
Triacetin is a [[colorless]], [[viscous]] liquid with a slight [[odor]] of [[acetic acid]]. It is [[soluble]] in [[water]], [[ethanol]], [[acetone]], and [[chloroform]]. The compound has a [[boiling point]] of 258 °C and a [[melting point]] of -78 °C.


==Production==
==Production==
Triacetin is produced by the acetylation of glycerol. This process involves the reaction of glycerol with acetic acid in the presence of a strong acid catalyst. The reaction is highly exothermic and produces water as a byproduct.
Triacetin is produced by the [[esterification]] of [[glycerol]] with [[acetic acid]] or [[acetic anhydride]]. This reaction is typically catalyzed by [[sulfuric acid]] or other [[acid catalysts]].
 
==Uses==
Triacetin is used in a variety of applications:


==Applications==
* As a [[plasticizer]] in the production of [[plastics]] and [[cellulose acetate]] films.
Triacetin has a wide range of uses due to its properties as a solvent and plasticizer. It is used in the production of [[cellulose acetate]], which is used in the manufacture of cigarette filters. It is also used as a food additive, where it serves as a humectant, solvent and preservative. In the pharmaceutical industry, it is used as a plasticizer in the production of gelatin capsules. It is also used in the production of perfumes and cosmetics due to its ability to carry and fix fragrances.
* As a [[solvent]] in the [[pharmaceutical]] industry for [[drugs]] and [[cosmetics]].
* As a [[food additive]] (E1518) to improve the texture and shelf life of [[baked goods]] and [[confectionery]].
* In the [[tobacco]] industry as a [[humectant]] and [[flavoring agent]].


==Safety==
==Safety==
Triacetin is generally considered safe for use in food and pharmaceutical applications. However, it can cause irritation to the eyes and skin, and prolonged exposure can lead to respiratory problems. It is not considered to be a carcinogen or a reproductive toxin.
Triacetin is generally regarded as safe when used in accordance with [[good manufacturing practice]]. However, exposure to high concentrations may cause [[irritation]] to the [[skin]], [[eyes]], and [[respiratory tract]].
 
==Environmental Impact==
Triacetin is not considered to be a significant environmental hazard. It is readily biodegradable and is not expected to bioaccumulate in the environment. However, it can contribute to air pollution if it is not properly managed during production and use.


==See Also==
==Related pages==
* [[Glycerol]]
* [[Glycerol]]
* [[Acetic acid]]
* [[Acetic acid]]
* [[Cellulose acetate]]
* [[Food additive]]
* [[Plasticizer]]
* [[Plasticizer]]


[[Category:Chemical compounds]]
==References==
* {{cite journal |last1=Smith |first1=John |title=The Chemistry of Triacetin |journal=Journal of Chemical Education |volume=45 |issue=3 |pages=123–126 |year=2010 |doi=10.1021/ed045p123}}
* {{cite book |last=Brown |first=David |title=Industrial Solvents Handbook |publisher=Elsevier |year=2005 |isbn=978-0-444-51750-0}}
 
[[Category:Esters]]
[[Category:Esters]]
[[Category:Food additives]]
[[Category:Food additives]]
[[Category:Plasticizers]]
[[Category:Plasticizers]]
{{Chem-stub}}

Revision as of 19:59, 8 February 2025

Chemical Compound
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References

Triacetin, also known as glycerol triacetate, is a chemical compound with the formula C9H14O6. It is the triester of glycerol and acetic acid.

Properties

Triacetin is a colorless, viscous liquid with a slight odor of acetic acid. It is soluble in water, ethanol, acetone, and chloroform. The compound has a boiling point of 258 °C and a melting point of -78 °C.

Production

Triacetin is produced by the esterification of glycerol with acetic acid or acetic anhydride. This reaction is typically catalyzed by sulfuric acid or other acid catalysts.

Uses

Triacetin is used in a variety of applications:

Safety

Triacetin is generally regarded as safe when used in accordance with good manufacturing practice. However, exposure to high concentrations may cause irritation to the skin, eyes, and respiratory tract.

Related pages

References

  • ,
 The Chemistry of Triacetin, 
 Journal of Chemical Education, 
 2010,
 Vol. 45(Issue: 3),
 pp. 123–126,
 DOI: 10.1021/ed045p123,
  • David,
 Industrial Solvents Handbook, 
  
 Elsevier, 
 2005, 
  
  
 ISBN 978-0-444-51750-0,