Indole-3-butyric acid

  • Indole-3- butyric acid
  • IBA
  • β - indolobutyric
  • 1H- indole-3- butyric acid ( IUPAC)

Off-white, almost odorless solid

Fixed

0.36 g · cm -3 ( bulk density )

120-123 ° C

  • Sparingly soluble in water: 0.25 g · l-1 (20 ° C)
  • Soluble in benzene, acetone, ethanol and diethyl ether

Risk

Template: Infobox chemical / molecular formula search available

4 - (indol -3 -yl ) butyric acid (IBA ) is a naturally occurring plant hormone in plants from the group of auxins. It is a light yellow solid with the chemical formula C12H13NO2. It was isolated from corn and pastures.

Production and representation

4 - (indol -3-yl ) butyric acid, by heating of indole, γ -butyrolactone, and sodium hydroxide, followed by neutralization of the intermediate product are obtained.

Use

4 - (indol -3-yl ) butyric acid is used as a rooting hormone, and a growth regulator for plants. It is approved in the U.S. since the 1960s.

With effect from 1 June 2011, the European Commission allowed the application of indolyl - butyric acid as a growth regulator in ornamentals. Pesticide products containing this active ingredient are registered in Austria, made ​​in Germany and Switzerland, no approvals.

CAS registry number PubChem Dangerous Substances Directive (67/548/EEC) Rat
14102
de