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Indole-3-butyric acid (1H-Indole-3-butanoic acid, IBA) is a white to light-yellow crystalline solid, with the molecular formula C12H13NO2. It melts at 125 °C in atmospheric pressure and decomposes before boiling.
I 1315 (OTTO) Indole-3-butyric acid, 99% Cas 133-32-4 - used auxin for root formation.