Agent Name

Butopyronoxyl

Alternative Name

Indalone

CAS Number

532-34-3

Formula

C12-H18-O4

Major Category

Pesticides

Synonyms

Indalone; 2,2-Dimethyl-6-carbobutoxy-2,3-dihydro-4-pyrone; 2-Carbo-n-butoxy-6,6-dimethyl-5,6-dihydro-1,4-pyrone; 2H-Pyran-6-carboxylic acid, 3,4-dihydro-2,2-dimethyl-4-oxo-, butyl ester; 3,4-Dihydro-2,2-dimethyl-4-oxo-2H-pyran-6-carboxylic acid butyl ester; 3,4-Dihydro-2,2-dimethyl-4-oxo-2H-pyran-6-carboxylic acid, n-butyl ester; 4-Pyrone-2-carboxylic acid, 5,6-dihydro-6,6-dimethyl-, butyl ester; BMOO; Butyl 3,4-dihydro-2,2-dimethyl-4-oxo-1-2H-pyran-6-carboxylate; Butyl 3,4-dihydro-2,2-dimethyl-4-oxo-2H-pyran-6-carboxylate; Butyl 5,6-dihydro-6,6-dimethyl-4-oxo-4H-pyran-2-carboxylate; Butyl dihydro-6,6-dimethyl-4-oxopyran-2-carboxylate; Butyl dimethyl dihydro-pyrone carboxylate; Butyl mesityl oxide oxalate; Butyl-3,4-dihydro-2,2-dimethyl-4-oxo-2H-pyran-6-carboxylate; Butyldimethyldihydro-gamma-pyrone carboxylate; Butylmesityl oxide oxalate; ENT 9; alpha,alpha-Dimethyl-alpha'-carbobutoxy-dihydro-gamma-pyrone; alpha,alpha-Dimethyl-alpha'-carboxydihydro-gamma-pyrone butyl ester; n-Butyl ester of 3,4-dihydro-2,2-dimethyl-4-oxo-2H-pyran-6-carboxylic acid; n-Butyl mesityl oxide oxalate; n-Butyl-3,4-dihydro-2,2-dimethyl-4-oxo-1,2H-pyran-6-carboxylate; n-Butylmesityloxid oxalate; [ChemIDplus]

Category

Insect Repellents

Description

Yellow to pale reddish-brown liquid with an aromatic odor; Affected slowly by light; [Hawley]

Sources/Uses

Used as insect repellent for application to human skin to repel ticks, mosquitoes, gnats, and stable flies; No longer registered with the EPA for use in the US, cancelled status; [HSDB]

Comments

May cause liver damage; [Hawley] Slightly irritating to skin; In high-dose animal studies, causes liver and kidney injury; [HSDB] May cause irritation; [MSDSonline]

Adverse Effects
Hepatotoxin

Hepatotoxin, Secondary

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Health Studies

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Toxicity Information

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Chemical Information

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