The Proposition 65 List

Current Proposition 65 List

The current Proposition 65 list is available on-line below, as a pdf or Excel download or through WestLaw. The Excel document also includes the listing mechanism for each chemical listing and the safe harbor level, if one has been adopted. A hyperlink is provided for those chemicals for which the basis for listing documentation is available electronically.

What types of chemicals are on the Proposition 65 list?

The list contains a wide range of naturally occurring and synthetic chemicals that are listed for cancer or reproductive harm, or both. These chemicals include additives or ingredients in pesticides, common household products, food, drugs, dyes, or solvents. Listed chemicals may also be used in manufacturing and construction, or they may be byproducts of chemical processes, such as motor vehicle exhaust. Learn how chemicals are added to the list.

Proposition 65 List

Chemical Name Type of Toxicity (Date Listed) & Basis for Listing
Methylhydrazine and its salts Cancer (07/01/1992)

Authoritative Bodies-National Institute for Occupational Safety and Health

4-Methylimidazole Cancer (01/07/2011)

Authoritative Bodies-National Toxicology Program

2-Methylimidazole Cancer (06/22/2012)

Labor Code

Methylmercury and methylmercury compounds Cancer (05/01/1996)

Authoritative Bodies-International Agency for Research on Cancer

Developmental Toxicity (07/01/1987)

State's Qualified Experts

n-Methylolacrylamide Cancer (07/01/1990)

Authoritative Bodies-National Toxicology Program

N-Methylpyrrolidone Developmental Toxicity (06/15/2001)

Authoritative Bodies-US Environmental Protection Agency

Methyltestosterone Developmental Toxicity (04/01/1990)

Formally Required

Methylthiouracil Cancer (10/01/1989)

Labor Code

Metiram Cancer (01/01/1990)

Authoritative Bodies-US Environmental Protection Agency

Developmental Toxicity (03/30/1999)

Authoritative Bodies-US Environmental Protection Agency

Metronidazole Cancer (01/01/1988)

State's Qualified Experts

Michler's Ketone Cancer (01/01/1988)

State's Qualified Experts

Midazolam Hydrochloride Developmental Toxicity (07/01/1990)

Formally Required

Minocycline Hydrochloride (internal use) Developmental Toxicity (01/01/1992)

Formally Required

Mirex Cancer (01/01/1988)

State's Qualified Experts

Misoprostol Developmental Toxicity (04/01/1990)

Formally Required

Mitomycin C Cancer (04/01/1988)

State's Qualified Experts

Mitoxantrone Hydrochloride Cancer (01/23/2015)

Formally Required

Developmental Toxicity (07/01/1990)

Formally Required

Molinate Developmental Toxicity (12/11/2009)

Authoritative Bodies-US Environmental Protection Agency

Female Reproductive Toxicity (12/11/2009)

Authoritative Bodies-US Environmental Protection Agency

Male Reproductive Toxicity (12/11/2009)

Authoritative Bodies-US Environmental Protection Agency

Molybdenum Trioxide Cancer (03/19/2021)

Labor Code-International Agency for Research on Cancer

MON 13900 (Furilazole) Cancer (03/22/2011)

Authoritative Bodies-US Environmental Protection Agency

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