Indole-3-Acetic Acid IAA 98% Auxin Growth Hormone CAS No. 87-51-4
Indole-3-acetic acid (IAA, 3-IAA) is the most common, naturally occurring, plant hormone of the auxin class. It is the best known of the auxins, and has been the subject of extensive studies by plant physiologists. IAA is a derivative of indole, containing a carboxymethyl substituent. It is a colorless solid that is soluble in polar organic solvents.
Indole-3-acetic acid￼NamesIUPAC name
Systematic IUPAC name
Hazard Codes Xi
Risk Statements R36/37/38
Safety Statements S24/25
Appearance white to tan crystals
Melting Point 165-169℃
Boiling Point 415 °C at 760 mmHg
Vapour 6.52E-06mmHg at 25°C
Refractive Index 1.568
Flash Point 171℃
Solubility insoluble in water
Color/Form off-white to tan
Other physical and chemical propertiesSolid
Stability Stable. Incompatible with strong oxidizing agents. Light sensitive.
HS Code 29339990
Storage temp 20℃
Morden Of Action:
Indole-3-acetic acid IAA is a natural endogenous auxin which generally exist in plant.
Indole-3-acetic acid IAA affects cell division and cell elongation.
Indole-3-acetic acid IAA is easy to be decomposed in the light and air.
Indole-3-acetic acid IAA is a kind of indole broad-spectrum plant growth regulator with
1. Indole-3-acetic acid IAA affects cell division and cell elongation;
2. Indole-3-acetic acid IAA is used to stimulate rooting of herbaceous and woody ornamentals and increase the
size of fruit;
3. Indole-3-acetic acid IAA prevents blossom fall and fruit drop before fructification and fruit ripening, flower & fruit thinning flower introduction, increase output.
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