State Bill Seeks to Ban Dioxane In Cleaning Products

June 28, 2019

The New York legislature passed S. 4389B just before its session came to a close last week. The bill would effectively ban 1,4-Dioxane, a manufacturing byproduct found in some consumer and institutional cleaning products. The bill now goes to Governor Andrew Cuomo, who has not yet said what action he will take on the bill.

If Gov. Cuomo signs S. 4389B or allows it to become law, it would prohibit any amount of 1,4-Dioxane above 2 parts per million (ppm) by the end of 2022, and above one part per million (ppm) by the end of 2023. Gov. Cuomo could also veto the bill ultimately killing the proposal until next year.

“Gov. Cuomo should consider the greater public health and hygiene risk posed by the forced reformulation or possible elimination of 1,4-Dioxane-containing cleaning products,” said John Nothdurft, ISSA Director of Government Relations. “Products that are currently safe and effective may see those attributes undermined as manufacturers scramble to meet the unattainable standard without sacrificing product efficacy.”

California is also looking at reducing limits on 1,4-Dioxan. The state’s Safer Consumer Products Program, which became effective October 2013, identifies products that have “chemicals of concern,” and lists them as “Priority Products.” The California Department of Toxic Substances Control (DYSC)’s discussions about cleaning products with 1,4-Dioxane are currently underway and seeking public comment.

ISSA will continue to monitor and comment on these issues affecting our members. For additional information, or questions regarding 1,4-Dioxane or ISSA’s advocacy efforts, please contact ISSA Director of Government Affairs John Nothdurft at


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