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Propyl benzoate

Chemical compound From Wikipedia, the free encyclopedia

Propyl benzoate

Propyl benzoate is an organic chemical compound used as a food additive. It is an ester.

Quick Facts Names, Identifiers ...
Propyl benzoate
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Propyl benzoate
Names
Preferred IUPAC name
Propyl benzoate
Other names
n-propyl benzoate, benzoic acid propyl ester
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.017.292
EC Number
  • 219-020-8
UNII
  • InChI=1S/C10H12O2/c1-2-8-12-10(11)9-6-4-3-5-7-9/h3-7H,2,8H2,1H3 Y
    Key: UDEWPOVQBGFNGE-UHFFFAOYSA-N Y
  • InChI=1/C10H12O2/c1-2-8-12-10(11)9-6-4-3-5-7-9/h3-7H,2,8H2,1H3
    Key: UDEWPOVQBGFNGE-UHFFFAOYAH
  • O=C(OCCC)c1ccccc1
Properties
C10H12O2
Molar mass 164.201 g/mol
Appearance colorless oily liquid, nutty odor
Density 1.0230 g/cm3 at 20 °C
Melting point −51.6 °C (−60.9 °F; 221.6 K)
Boiling point 230 °C (446 °F; 503 K)[1]
insoluble
Solubility miscible with ethanol, diethyl ether[2]
−105.00·10−6 cm3/mol
Hazards
Flash point 98 °C (208 °F; 371 K)[1]
Safety data sheet (SDS) External MSDS
Related compounds
Related compounds
 Methyl benzoate
Ethyl benzoate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Uses

Propyl benzoate has a nutty odor and sweet fruity or nut-like taste, and as such, it is used as a synthetic flavoring agent in foods. It also has antimicrobial properties and is used as a preservative in cosmetics. It occurs naturally in the sweet cherry and in clove stems, as well as in butter.[1][3]

Reactions

Propyl benzoate can be synthesized by the transesterification of methyl benzoate with propanol.[3] Propyl benzoate can also be synthesized by means of Fischer esterification of benzoic acid with propanol.

References

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