sec-Butylamine is an organic chemical compound (specifically, an amine

Amine

Amines are organic compounds and functional groups that contain a basic nitrogen atom with a lone pair. Amines are derivatives of ammonia, wherein one or more hydrogen atoms have been replaced by a substituent such as an alkyl or aryl group. Important amines include amino acids, biogenic amines,...

) with the formula CH₃CH₂CH(NH₂)CH₃, and occurs as a colorless liquid. sec-Butylamine is one of the four isomeric amines of butane

Butane

Butane is a gas with the formula C4H10 that is an alkane with four carbon atoms. The term may refer to any of two structural isomers, or to a mixture of them: in the IUPAC nomenclature, however, butane refers only to the unbranched n-butane isomer; the other one being called "methylpropane" or...

, the others being n-butylamine

N-Butylamine

n-Butylamine is an organic compound with the formula CH3CH2CH2CH2NH2. This colourless liquid is one of the four isomeric amines of butane, the others being sec-butylamine, tert-butylamine and isobutylamine. At standard temperature and pressure, n-butylamine is a liquid having the fishy,...

, tert-butylamine

Tert-Butylamine

tert-Butylamine is an organic chemical compound with the formula 3CNH2, and occurs as a colorless liquid. tert-Butylamine is one of the four isomeric amines of butane, the others being n-butylamine, sec-butylamine and isobutylamine.-Preparation:tert-Butylamine is commercially available...

 and isobutylamine

Isobutylamine

Isobutylamine is an organic chemical compound with the formula 2CHCH2NH2, and occurs as a colorless liquid. Isobutylamine is one of the four isomeric amines of butane, the others being n-butylamine, sec-butylamine and tert-butylamine....

. It is very harmful to aquatic organisms.

sec-Butylamine is used as a fungicide.

sec-Butylamine is considered a high production volume chemical. It is undergoing comprehensive review by the American Chemistry Council

American Chemistry Council

The American Chemistry Council , formerly known as the Manufacturing Chemists' Association and then as the Chemical Manufacturers' Association , is an industry trade association for American chemical companies, based in Washington, D.C.-Activities:The mission of the American Chemistry Council is...

's Amines Panel as part of the Primary Amines Category.