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OCTYL PHTHALATE Chemical compatibility with O-rings, rubbers, & plastics

Octyl phthalate, or di-n-octyl phthalate (DNOP), is a phthalate ester used as a plasticizer to enhance the flexibility and durability of plastics, particularly PVC. With the chemical formula C24H38O4, it is a clear, oily liquid that is resistant to water and alcohols. Octyl phthalate is utilized in a variety of consumer products, including toys, adhesives, and coatings. Due to concerns over its potential endocrine-disrupting effects, the use of DNOP is regulated in many regions to limit exposure and ensure safety. It is typically replaced by less harmful alternatives in sensitive applications.

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