Propyl propionate

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A clear, sweet smelling organic ester used a solvent, perfume, and general reagent in various transesterification reactions. Propyl propionate has been considered as a safer substitute for toluene, however there is little to no information available on its long term affects on humans.

Synonyms and Related Terms

Propyl propanoate (IUPAC); propanoic acid, propyl ester;


  • Evaporates faster than xylene
  • Appears to be an effective carrier for Paraloid B72


  • Highly flammable with a low flash point (-19C).
  • Overexposure can cause skin, eye, nose and throat irritation, headache and dizziness.
  • Vapors can be toxic
  • Ingestion causes vomiting.
  • ThermoFisher: SDS

Physical and Chemical Properties

Miscible with water, ethanol, dimethylformamide, chloroform, ether and most oils.

Composition CH3CH2COOCH2CH2CH3
CAS 106-36-5
Melting Point -76 C
Density 0.881 g/ml
Molecular Weight mol. wt. = 58.08
Refractive Index 1.393
Boiling Point 122-124 C

Working Properties

Resources and Citations

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