Definition of propylene glycol in English:

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propylene glycol

noun

Chemistry
A liquid alcohol that is used as a solvent, in antifreeze, and in the food, plastics, and perfume industries.
  • Chemical formula: C3H6(OH)2: two isomers
Example sentences
  • One solution has been the development of antifreezes that replace ethylene glycol with propylene glycol, a liquid that's nontoxic enough to be used as a sweetener in children's cough syrup.
  • Instead, purchase animal-friendly antifreeze, which contains propylene glycol rather than ethylene glycol, the center says.
  • Two of the coolants extensively used are ethylene glycol and propylene glycol.
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