DINP and Prop 65

Weight of Evidence Indicates That DINP
Should Not Be Listed on Prop 65

About DINP:

Diisononyl phthalate (DINP) is used to soften or “plasticize” vinyl. DINP is a general purpose plasticizer used in a multitude of vinyl products that demand flexibility, durability and specific functionality. While DINP’s primary function is as a softener, it is also used in sealants, paints and lubricants. The benefits of DINP in vinyl are evident in products manufactured by the automobile, wire and cable, roofing and flooring industries.

On December 20, 2013, the California Office of Environmental Health Hazard Assessment (OEHHA) added DINP to California’s Proposition 65 list as a “carcinogen.”

The High Phthalates Panel of the American Chemistry Council challenges the scientific basis of California’s decision. High phthalates, including DINP, have been reviewed by numerous scientific panels and the conclusions have been essentially the same each time: that the phthalates used in commercial products do not pose a risk to human health at typical exposure levels. Phthalates are among the most thoroughly studied family of compounds in the world and have been reviewed by multiple regulatory bodies in the United States, Europe and Australia.

Questions and Answers: DINP and Prop 65
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To read the Panel’s statement about the OEHHA listing, please click here.

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