Indole-3-yl acetic acid
Common name: IAA
Chemical name: Indol-3-ylacetic acid; B-indoleacetic acid
Appearance: Off-white crystal
Molecular Weight: 175.2
CAS No.: 87-51-4
Melting point: 167-169º C
Solubility: In water 1.5 g/l (20 ). In alcohol 100-1000g/l, acetone 30-100, diethyl ether 30-100, chloroform 10-30 (all in g/l).
Stability: Very stable in neutral, acidic and alkaline media. Unstable to light. PKa 4.75
Specification: 99% Tech Grade
Mode of action: It can affect cell division and cell elongation.
Used to stimulate rooting of cuttings of herbaceous and woody ornamentals.