BPS (CAS No.: 80-09-1) is listed as a new hazard attribute
Starting from January 3, 2025, the California Office of Environmental Health Hazard Assessment (OEHHA) has included the male reproductive toxicity properties of Bisphenol S (BPS) in the reproductive toxicity list of Proposition 65 through the “State Qualified Expert” mechanism, based on the assessment of the Developmental and Reproductive Toxic Identification Committee (DARTIC).
BPS was initially included in the reproductive toxicity list of Proposal 65 on December 29, 2023, based on an assessment of its toxicity to female reproductive health. This listing was completed through the “State Qualified Expert” mechanism, based on the judgment of the Developmental and Reproductive Toxic Substance Identification Committee (DARTIC), which determined that the chemical clearly causes reproductive toxicity in women.
Bisphenol-s
Bisphenol S is commonly used in the production of polymer materials. As a substitute for bisphenol A, it is used as a polymer raw material for the production of high molecular weight materials such as polycarbonate (PC), epoxy resin, polyester, phenolic resin, polysulfone, and polyether sulfone. Or added to plastic products (such as food packaging, plastic food can liners) to enhance heat resistance, light resistance, oxidation resistance, etc.
Bisphenol S can also be used as a dispersant in high-temperature dyeing processes for dyes, and as a fixing agent in the textile industry to enhance dye adhesion performance. It can also be used as a reactive or additive flame retardant, applied as a flame retardant in materials such as epoxy resin, polyurethane, polystyrene, etc. Meanwhile, BPS can also be used as an additive in electroplating solutions to improve the glossiness of the coating; It can also be used as a leather tanning agent to improve the texture of leather.
Vinyl acetate (CAS No. 108-05-4) has been newly added to the list
Starting from January 3, 2025, the California Office of Environmental Health Hazard Assessment (OEHHA) has included vinyl acetate in the Proposition 65 list of carcinogens. This listing was completed through the “State Qualified Expert” mechanism, based on the assessment of the Cancer Identification Committee (CIC), which believes that this chemical has been clearly proven to cause cancer.
The significant exposure warning requirement for vinyl acetate will take effect from January 3, 2026.
Vinyl acetate is widely used in various industries, especially due to its adhesive and polymerization properties. Common materials that may contain vinyl acetate include:
◾ Adhesive
◾ Paint
◾ Coatings and Varnishes
◾ Packaging materials
◾ Textiles and processed fabrics
◾ Industrial resins and lotion
◾ Printing ink, etc.
What is California 65?
The California Proposition 65, also known as the Safe Drinking Water and Toxic Substances Enforcement Act, was enacted and implemented in California, USA in November 1986. Its aim is to protect California citizens and local drinking water resources from chemical pollution that can cause cancer and reproductive toxicity. At the same time, it informs California citizens in the form of warning labels about the hazards of exposure to chemicals in their purchased items, homes, or workplaces, or chemicals released into the environment.
California 65 List
The California Proposition 65, also known as the Safe Drinking Water and Toxic Substances Enforcement Act, was enacted and implemented in California, USA in November 1986. Its aim is to protect California citizens and local drinking water resources from chemical pollution that can cause cancer and reproductive toxicity. At the same time, it informs California citizens in the form of warning labels about the hazards of exposure to chemicals in their purchased items, homes, or workplaces, or chemicals released into the environment.
California 65 Settlement Agreement
California 65 itself does not set limits for harmful substances, only safe harbor levels, which require a large amount of toxicological data to support. When an individual or group questions the harmful chemicals in a product that exceed safe harbor levels and files a lawsuit, a settlement agreement or ruling is ultimately reached.
At present, the control of harmful substances in products in California is often based on existing litigation cases or settlement agreements for such products, reaching limit requirements and labeling information for certain substances in certain types of products.
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Post time: Mar-25-2025
