a-Naphthylacetic acid (NAA); 2-(1-naphthyl)acetic acid,1-naphthylacetic acid
Appearance: White crystals
Melting point: 130-134°C
Loss on drying: 0.5%
Residue on ignition: <0.1%
It is a broad-spectrum plant growth regulator. It has the feature and function of inner auxin 3- indolebutyric acid which can accelerate the division and enlargement; induce the formation of unsettled roots, increase setting rate, prevent fruit from dropping and adjust flowers sex ratio. It can be translated to target with the flow of nutrition when absorbed through leaves, seeds or the tender epidermis of plants. It can induce formation of adventitious root, improve cutting culture, promote fruit set, and prevent prematuration of fruit.