Diisononyl Phthalate (DINP) - OEHHA
Proposed Amendment to Section 25705 Specific Regulatory Levels Posing No Significant Risk: Diisononyl Phthalate (DINP) Notice of a Public Hearing for a Safe Use Determination for Diisononyl Phthalate (DINP) in Vinyl Flooring Products. Chemical Listed Effective December 20, 2013 as Known to the State of California to Cause Cancer: Diisononyl
Diisononyl Phthalate (DINP) - Proposition 65 Warnings Website
Proposition 65 requires businesses to determine if they must provide a warning about exposures to listed chemicals. What is DINP? DINP belongs to a family of chemicals called phthalates, which are added to some plastics to make them flexible. DINP is one of the phthalates most frequently used in plastic products.
Frequently Asked Questions - Proposition 65 Warnings Website
Frequently Asked Questions Frequently Asked Questions Welcome to the Proposition 65 Warnings Website What is Proposition 65? What requirements does Proposition 65 place on companies doing business in California? Are any businesses exempt from Proposition 65? What types of chemicals are on the Proposition 65 list? What does a warning mean?
Questions and Answers: DINP and Prop 65
Questions and Answers: DINP and Prop 65 January 2014 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.
ACC challenges listing DINP under Proposition 65 | Food
DINP has been mostly used in polyvinyl chloride (PVC) plastics to make them flexible. It is listed under the Proposition 65 regulation as a carcinogen, and businesses in California are required under the regulation to warn consumers about DINP’s presence in products. Read More ACC (August 19, 2025).
- Why is DINP on the Proposition 65 list?
- · DINP is on the Proposition 65 list because it can cause cancer. · Exposure to DINP may increase the risk of cancer. Proposition 65 requires businesses to determine if they must provide a warning about significant exposure to listed chemicals. What is DINP?
- Is Prop 65 a lot to deal with?
- Complying with Prop 65 can be significant to deal with. If your product, process or environment contains a listed chemical with significant exposure, there are two options: 1) Redesign to lower the substance’s potential exposure below significant levels or 2) Eliminate it entirely.
- Does DINP increase the risk of cancer?
- · Exposure to DINP may increase the risk of cancer. Proposition 65 requires businesses to determine if they must provide a warning about significant exposure to listed chemicals. What is DINP?
- · DINP belongs to a family of chemicals called phthalates, which are added to some plastics to make them flexible.
- What is DINP used for?
- · DINP belongs to a family of chemicals called phthalates, which are added to some plastics to make them flexible. DINP is one of the phthalates most frequently used in plastic products. 4 Some polyvinyl chloride (PVC, vinyl) flooring, materials used in automobile interiors, wire and cable insulation, gloves, tubing, garden hoses, and shoes.
- How does DINP affect the environment?
- · DINP can be gradually released from consumer products into indoor environments such as homes, schools, day care centers, offices and cars. It settles on floors and other surfaces, and can accumulate in dust and air. · Exposure can result from contact with products containing DINP.
