High Purity NAA

High purity NAA Product description : English common name: 1-naphthlcetic acid Other names: a-naphthalene acetic acid, NAA Toxicity: Low toxicity to humans and animals. Rats with acute oral LD50 of 1000-5900mg / kg, the skin and mucous membranes have a stimulating effect. Formulation: the...
Product description

High purity NAA
Product description:
English common name: 1-naphthlcetic acid
Other names: a-naphthalene acetic acid, NAA
Toxicity: Low toxicity to humans and animals. Rats with acute oral LD50 of 1000-5900mg / kg, the skin and mucous membranes have a stimulating effect.
Formulation: the original powder.


Physical and chemical properties: 

Naphthalene acetic acid pure white odorless crystal, melting point 130 ℃, soluble in acetone, ether, benzene, ethanol and chloroform and other organic solvents, 20 ℃ water solubility of 42mg / L, dissolved in hot water, Salt can be dissolved in water.


Poisoning symptoms: through the esophagus caused by poisoning, showing liver and kidney damage.
First aid measures: should be symptomatic treatment, pay attention to protect the liver, kidney.
Acute oral LD50: 1000 ~ 5900mg / kg
Acute percutaneous LD50: 2000 ~ 20000 mg / kg


High purity NAA Scope of application: 

Naphthylacetic acid for cereal crops, increase tiller, increase spike rate and 1000-grain weight; cotton to reduce the loss of budling, increase the weight, improve quality. Fruit trees to promote flowering, anti-fruit, ripening yield. Fruits and vegetables to prevent falling flowers, the formation of small seed fruit;


High purity NAA Usage:
1. Wheat with 20mg / kg of liquid soaking 10-12h, air-sowing, before the joint with 25mg / kg spray 1 times, after the use of 30mg / kg liquid with sprayed leaves and spike, can be lodging, Seed setting rate.
2. Rice with 10mg / kg liquid immersion 6h, after planting after turning green fast, stout stout.
3. Cotton flowering period with 10-20mg / kg liquid spraying plant 2-3 times, interval of 10 days, anti-budling off.
4. Sweet potato with 10mg / kg liquid immersion seedlings lower (3cm) 6h after planting, increase the survival rate increase.
5. Tomato, melon with 10-30mg / kg liquid spray, to prevent falling flowers, to promote fruit set.
6 fruit trees before harvest 5-21 days, with 5-20mg / kg liquid spray the whole plant, to prevent fruit drop.
7. Tea, mulberry, oriental arborvitae, oak trees, Metasequoia and other cuttings with 25-500mg / kg liquid immersion cutting branches at the base (3-5cm) 24h, can promote the cutting root, improve the survival rate.


Notes:
Wash hands after applying to prevent skin damage.
[1] Naphthylacetic acid insoluble in cold water, the preparation can be a small amount of alcohol dissolved, add water diluted or add a small amount of water into a paste and then add appropriate amount of water, and then add sodium bicarbonate (baking soda) until all the dissolved.
[2] Precocious apple varieties are not suitable for the use of flower and fruit.


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