Chemical name: 2-(1-Naphthl)acetamide,a-naphthylacetamide  Toxicology:Acute oral LD50 for rat 1690mg/kg. Acute percutaneous LD502000mg/kg. Slightly irritating to skin, strongly irritating to eyes. Marine LC5040ppm. Application:Application: NAA is a good blossom and fruit thinning agent for apple, pear, peach, grape etc. It is also used as root inducing agent for ornamental plants, usally co-used with other root inducing agents.