CPSC Vote to Restrict DINP in Toys and Child-Care Articles Ignores Decades of Established Science

DINP can continue to safely be used in many consumer and commercial products.

In the U.S., as of February 2009, three phthalates were permanently prohibited at concentrations greater than 0.1 percent in toys and child-care articles. Three other phthalates (DINP, DIDP and DnOP) were temporarily restricted in toys that can be placed in a child’s mouth and child-care articles and were referred to an advisory panel for further study. In the fall of 2017 the U.S. Consumer Product Safety Commission (CPSC) proposed to make the ban on the use of DINP in toys and child-care articles permanent, and lift the restriction on the use of DIDP and DnOP in toys and child-care articles.

The decision to restrict the use of phthalates in children’s products, however, is not based on science. In September 2012, the National Industrial Chemicals Notification and Assessment Scheme (NICNAS) of the Australian Government Department of Health and Ageing joined regulatory bodies in the United States and Europe, which found that current uses of DINP in consumer products are not expected to pose a risk to human health.

NICNAS performed a comprehensive review of the available scientific literature on the phthalate DINP, including the report to the CPSC by the Chronic Hazard Advisory Panel (CHAP) on DINP in 2001 and the most recent publicly available U.S. assessment, the 2010 CPSC staff toxicity report on DINP.

In October 2017, Environment and Climate Change Canada released their Draft Screening Assessment for the Phthalate Substance Grouping. The proposed conclusion is that “all 14 phthalates in the Phthalate Substance Grouping [including DINP] do not meet the criteria under paragraph 64(c) of CEPA as they are not entering the environment in a quantity or concentration or under conditions that constitute or may constitute a danger in Canada to human life or health.” Furthermore, Canada stated: “A cumulative risk assessment, using a conservative, lower-tiered hazard index (HI) approach has been conducted and indicates no concern for potential cumulative risk of medium-chain phthalates for the general Canadian population, specifically the more sensitive subpopulations (pregnant women/women of childbearing age, infants, and children) at current exposure levels. The HI values for the three subpopulations with the highest estimated exposure levels are all below 1. Hence, further refinement to a higher-tiered assessment is not necessary at this time.”

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