Extract from rice wax / bees wax are both ok! Overflow price! Triacontanol is a kind of long- chain fatty alcohol, also is a new-type of plant growth regulator. Description: white flake & crystal powder, can dissolved in hot ethanol, ethyl ether, benzene, toluene, chloroform, methylene chloride, petroleum ether, and other organic solvent, water insoluble. Melting point is 85.5-86.5C, Acid value ...