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 cause cancer or birth defects or other reproductive harm. 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
Methyl Carbamate Cancer (05/15/1998)

Authoritative Bodies-National Toxicology Program

Methyl Chloride Developmental Toxicity (03/10/2000)

Authoritative Bodies-National Institute for Occupational Safety and Health

Male Reproductive Toxicity (03/07/2014)

Authoritative Bodies-US Environmental Protection Agency

Methyl Iodide Cancer (04/01/1988)

State's Qualified Experts

Methyl Isobutyl Ketone (MIBK) Cancer (11/04/2011)

Labor Code

Developmental Toxicity (03/28/2014)

Authoritative Bodies-US Environmental Protection Agency

Methyl Isocyanate (MIC) Developmental Toxicity (11/12/2010)

State's Qualified Experts

Female Reproductive Toxicity (11/12/2010)

State's Qualified Experts

Methyl Methanesulfonate Cancer (04/01/1988)

State's Qualified Experts

Methyl-n-Butyl Ketone Developmental Toxicity (12/04/2015)

State's Qualified Experts

Male Reproductive Toxicity (08/07/2009)

State's Qualified Experts

2-Methyl-1-nitroanthraquinone (of uncertain purity) Cancer (04/01/1988)

State's Qualified Experts

N-Methyl-N'-nitro-N-nitrosoguanidine Cancer (04/01/1988)

State's Qualified Experts

Methylazoxymethanol Cancer (04/01/1988)

State's Qualified Experts

Methylazoxymethanol Acetate Cancer (04/01/1988)

State's Qualified Experts

3-Methylcholanthrene Cancer (01/01/1990)

Authoritative Bodies-US Environmental Protection Agency

5-Methylchrysene Cancer (04/01/1988)

State's Qualified Experts

4,4'-Methylene bis(2-chloroaniline) Cancer (07/01/1987)

Formally Required

4,4'-Methylene bis(2-methylaniline) Cancer (04/01/1988)

State's Qualified Experts

Dichloromethane (Methylene Chloride) Cancer (04/01/1988)

State's Qualified Experts

4,4'-Methylenedianiline Cancer (01/01/1988)

State's Qualified Experts

4,4'-Methylenedianiline dihydrochloride Cancer (01/01/1988)

State's Qualified Experts

Methyleugenol Cancer (11/16/2001)

Authoritative Bodies-National Toxicology Program

Methylhydrazine and its salts Cancer (07/01/1992)

Authoritative Bodies-National Institute for Occupational Safety and Health

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