WARNING! Or that everything gives you cancer—if you live in California. The California warning is referring to the chloroprene in neoprene. Custom Fire Department Leather Work : Neoprene is the trade name of polychloroprene, a rubber-like polymer made by chemically treating chloroprene (2-chloro-1, 3-butadiene) so that each molecule hooks up to another in long chains. It's inefficient to label two sets of products - one for California and one for the rest of the country, so many companies will simply comply with the law in California and say that their product contains chemicals known to the state of California to cause cancer and birth … This product contains a chemical known to the State of California to cause birth defects or other reproductive harm. Proposition 65 in California requires that products that are sold that may cause cancer be labeled. The law defines “no significant risk” as a level of exposure that would cause no more than 1 extra case of cancer in 100,000 people over a 70-year lifetime. Chloroprene is a chemical used to make a synthetic rubber commonly known as neoprene. Hi all, I recently bought a pair of Gold's Gym dumbbells that have the California Prop 65 warning (cancer warning). The chemical name for neoprene is polychloroprene and is a polymer of chloroprene. Harmful Side Effects of Neoprene Braces How comfortable would you feel if you purchased a brace or support that contained the following warning message? However, that chloroprene is tightly locked up inside its polymer. So, yes it does pose a health risk. Not likely. The reason: Proposition 65. My Faberware electric coffee pot and every other thing, including some pocket knives and food products have chemicals that may have traces of chemical causing cancer. Eleven states have expressed support for the company in court documents, Reuters reported . Parents are being left in the dark about toxic chemicals in their children's car seats, even after companies are served with violation notices, because of … I've done some research via other fitness forums about the warning and its frequency--so far seems like I could probably just wash my hands or use gloves. Chloroprene is considered possibly carcinogenic to humans, but virtually all the chloroprene is used up in the conversion to the polymer. Five Alarm Fronts and Leatherworks. Neoperene Warning! Chloroprene is suspected of causing cancer, but that does not mean that its polymer causes cancer. You may have heard that coffee gives you cancer. This warning is often in the form of a label on the product or its packaging. Joe- I see your point but almost everything we buy has that cancer warning label. Monsanto is suing California over a warning set to be applied to its flagship pesticide, Roundup.