2,4-D Butyric Acid

CAS Number

94-82-6

Synonym

4-(2,4-dichlorophenoxy)butanoic acid

Occurrence/Use

Herbicide

2,4-D Butyric Acid

Cancer Potency Information

Latest Criteria:	Proposition 65 NSRLs/MADLs

Proposition 65

Chemical Status

Reproductive Toxicity:	Currently listed

Reproductive Toxicity

Listed as causing:	Male Reproductive Toxicity
Developmental Toxicity
Date of Listing:	06/18/1999
Date of Delisting:	06/22/2001
Basis for Listing:	Authoritative Bodies-US Environmental Protection Agency
Male Reproductive Toxicity
Date of Listing:	06/18/1999
Basis for Listing:	Authoritative Bodies-US Environmental Protection Agency

Safe Harbor Levels

Reproductive Toxicity
Maximum Allowable Dose Level (MADL) :	910 µg/day
Last NSRL/MADL Revision:	2003

Documents, Presentations, and Publications

Reproductive Toxicity:	Maximum Allowable Dose Level for 2,4-D Butyric Acid Mar 14, 2003 Listing Notice - 2,4-D butyric acid and Triforine Jun 18, 1999 Chemicals Meeting the Criteria for Listing via the AB Mechanism 5 Chemicals Apr 16, 1999

Comments

Developmental toxicity endpoint removed from the listing for 2,4-D butyric acid effective June 22, 2001.

Public notices related to this chemical:

Notice of Intent to List: 2,4-D butyric acid, 2,4-D 2-ethylhexyl ester, 2,4-D 2-ethyl-4-methyl pentyl ester, Progargite, and Triforine
2,4-D butyric acid and Triforine: Chemicals Listed Effective June 18, 1999 as Known to the State to Cause Reproductive Toxicity
Notice of Proposed Rulemaking: Amendment to Section 12805, Specific Regulatory Levels: 2,4-D Butyric Acid, m-Dinitrobenzene, Hydramethylnon and N-Methylpyrrolidone
Amendment to Section 12805. Specific Regulatory Levels: Reproductive Toxicants (2,4-D butyric acid, m-dinitrobenzene, hydramethylnon and N-methylpyrrolidone)