Molecular formula: C₆H₄NO₃Na
Physics and chemical properties:
It is yellow sheet crystal; and its melting point is 113-114^¡æ(free acid ).

Application:
 1. To be used as plant growth regulator: It is a plant cell reviving-agent. It can accelerate penetrate through the plant body, promote the protoplasm flowing, rapid the plant rooting, it also has good action on promoting plant rooting, growing, reproduction and increase fruit-setting ratio.
 2. To be used as animal feed additive.
 3. To be used as dyestuff.