Naphthaleneacetic Acid 98% TC(NAA)

(1). Naphthaleneacetic Acid 98% TC(NAA) or 95% (2). used in organic synthesis, used as Plant growth regulator, or used as material of drugs (3). English Common Name 1-naphthlcetic acid other name a-NAA, NAA toxicity low toxicity to humans and animals. Acute oral LD50 for the 1000-5900mg/kg, on the skin and mucous membranes have a stimulating effect. 70% of the original powder formulations of sodium. Characterized by broad-spectrum type of plant growth regulator, can promote cell division and expansion, the formation of adventitious roots induced increase in fruit set, to prevent fruit drop, change female male ratio. Via leaves, branches of the tender skin and seeds into plants, the nutrient flow with the conduit to the whole plant. Scope applicable to cereal crops, increased tillering, increased spike rate and grain weight; cotton abscission reduced, by weight of peach and improving quality. Promote flowering fruit trees, anti-drop, ripening yield. Flower and fruit and vegetables to prevent, the formation of small seeds fruit; promote rooting branch cuttings. (4). [Edit this section] to use 1. Wheat soaking liquid with 20mg/kg 10-12h, dry sowing, jointing 1 before spraying with 25mg/kg, 30mg/kg later flowering liquid was sprayed with flag leaf and ear, can prevent lodging and increase seed set. 2. 10mg/kg liquid with soaked rice seedling 6h, inserted quickly turning green after transplantations, sturdy stem. 3. Cotton flowering plants with 10-20mg/kg liquid spray 2-3 times, every 10 days, anti-abscission. 4. Potato seedlings with 10mg/kg liquid dip lower (3cm) 6h after planting, improve the survival rate of output. 5. Tomatoes, melons with 10-30mg/kg liquid spray to prevent the falling flower, the promotion of fruit. 6. 5-21 days before harvest fruit, whole plant with 5-20mg/kg liquid spray to prevent fruit drop. 7. Tea, mulberry, orientalis, oak tree, dawn redwood and other cutting cutting branches with 25-500mg/kg dipping the base of (3-5cm) 24h, can promote rooting and improve survival. (5). Notes Wash hands after application to prevent skin damage. [1] NAA insoluble in cold water, formulated first with a small amount of alcohol when dissolved in water were diluted or transferred into a little water before adding the paste together with adequate water and then adding sodium bicarbonate (baking soda) and mix until all dissolved. [2] The use of early apple varieties flower thinning, fruit thinning is easy to produce phytotoxicity unfit for use. Physical and Chemical Properties: pure product is white odorless crystals, melting point 130 °C, soluble in acetone, ether, benzene, ethanol and chloroform and other organic solvents, 20 °C water solubility 42mg / L, soluble in hot water and met a base to salt, salt class can dissolve in water. Symptoms of poisoning: Poisoning caused by the esophagus, showing liver and kidney damage. First aid measures: symptomatic treatment should be used, to protect the liver and kidney. Acute oral LD50: 1000 5900mg/kg Acute dermal LD50: 2000 20000 mg / kg Toxicity: China's low toxicity Abroad: Acute oral LD50 (mg / kg): 500 5000; Acute dermal LD50 (mg / kg): 2000 20000; Inhalation LC50 (mg / L): 2.0 20; on the eye effects: may cause corneal turbidity, to stimulate a return within 7 days. Effect on the skin: within 72 hours in the middle stimulus. Environment: Aquatic organisms: LC50 (96h, mg ai / L) 57 rainbow trout, blue gill fish 82 Bee: In normal use non-toxic Natural enemies: LC50 (8day diet, mg / kg), wild duck, quail North America> 10000mg/kg