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Dipentene is a terpene liquid, a class of hyrdocarbons produced by plants, that is colorless with a lemon-like odor. It is most commonly used as a solvent in a variety of products. It is a high production volume chemical with US annual production over 1,000,000 pounds. It is only known as limonene.


Dipentene is found in the following products:

  • Pesticides
  • Paints
  • Enamels
  • Perfumes
  • Home cleaning products
  • Hair color
  • Air Freshener
  • Diapers
  • Food flavoring


Human Health Effects

  • Dipentene is not a carcinogen, nor does it have negative effects on reporduction.
  • Dipentene is a known skin and eye irritant.
  • Dipentene can cause a sensitization leading to an allergy to it. Low level exposures can cause rash in people allergic to it.
  • People allergic to turpentine have been found to also have a contact allergy to dipentene.
  • Ingestion of dipentene can irritate the gastro-intestinal tract.
  • Rashes have been seen in people who have come in direct contact with products containing dipentene such as wax polish.

Environmental Effects

  • Dipentene is a naturally occurring chemical found in a variety of softwood trees, plants, and fruits.
  • Half lives are: 1 hour in a river; 5 days in a lake.
  • High potential for bioconcentration in aquatic organisms.


Hazardous Products Database- Dipentene

Hazardous Substance Data Bank- Limonene

New Jersey Department of Health and Senior Service Hazardous Substance Fact Sheet

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