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
Testosterone and its esters Cancer (04/01/1988)

State's Qualified Experts

Testosterone Cypionate Developmental Toxicity (10/01/1991)

Formally Required

Testosterone Enanthate Developmental Toxicity (04/01/1990)

Formally Required

Tetrabromobisphenol A Cancer (10/27/2017)

Labor Code-International Agency for Research on Cancer

3,3',4,4'-Tetrachloroazobenzene Cancer (07/24/2012)

Authoritative Bodies-National Toxicology Program

2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD) Cancer (01/01/1988)

State's Qualified Experts

Developmental Toxicity (04/01/1991)

Authoritative Bodies-US Environmental Protection Agency

1,1,1,2-Tetrachloroethane Cancer (09/13/2013)

Labor Code-International Agency for Research on Cancer

1,1,2,2-Tetrachloroethane Cancer (07/01/1990)

Authoritative Bodies-National Institute for Occupational Safety and Health

Tetrachloroethylene (Perchloroethylene) Cancer (04/01/1988)

State's Qualified Experts

p-a,a,a-Tetrachlorotoluene Cancer (01/01/1990)

Authoritative Bodies-US Environmental Protection Agency

Tetrachlorvinphos Cancer (05/20/2016)

Labor Code

Tetracycline (internal use) Developmental Toxicity (10/01/1991)

Formally Required

Tetracycline Hydrochloride (internal use) Developmental Toxicity (01/01/1991)

Formally Required

Tetracyclines (internal use) Developmental Toxicity (10/01/1992)

Formally Required

Tetrafluoroethylene Cancer (05/01/1997)

Authoritative Bodies-National Toxicology Program

Tetrahydrofuran Cancer (12/17/2021)

Labor Code-International Agency for Research on Cancer

4,4'-Methylene bis(N,N-dimethyl)benzenamine Cancer (10/01/1989)

Labor Code

Tetranitromethane Cancer (07/01/1990)

Authoritative Bodies-National Toxicology Program

Thalidomide Developmental Toxicity (07/01/1987)

State's Qualified Experts

Thioacetamide Cancer (01/01/1988)

State's Qualified Experts

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