Agrochemicals Plant Growth Regulator Trinexapac-Ethyl 25%Wp

Introduction

Trinexapac-Ethyl is a carboxylic acid plant growth regulator and a plant gibberellic acid antagonist. It can regulate the level of gibberellic acid in the plant body, slow down plant growth, shorten internodes, increase the thickness and toughness of stem fiber cell walls, and thus achieve the goals of vigorous control and anti lodging.

Pharmacological action

Antipour ester is a cyclohexanocarboxylic acid plant growth regulator, which has an internal absorption and conduction effect. After spraying, it can be rapidly absorbed by plant stems and leaves and conducted in plants, inhibiting the synthesis of gibberellic acid in plants and reducing the level of gibberellic acid in plants, resulting in slower plant growth. Reduce the height of the plant, increase the strength and toughness of the stem, promote the root development, and achieve the purpose of preventing wheat lodging. At the same time, this product can also improve water utilization, prevent drought, improve yield and other functions.

Physical and chemical properties

Appearance: white odorless solid (yellow to reddish brown liquid at 30℃, slightly sweet solid solution at 20℃), melting point 36 °C, boiling point >270 °C, vapor pressure V.p.1.6 mPa (20 °C); 2.16 mPa (25 °C) (OECD104), n-octanol water partitioning coefficient KowlogP = 1.5 (pH5), -0.29 (pH6.9), -2.1 (pH8.9) (all 25 °C), Henry's constant 5.4 × 10-4Pa m3mol-1, density 1.215 g/cm3(20 °C), solubility: The water solubility of 1.1 (pH3.5), 2.8 (pH4.9), 10.2 (pH5.5), 21.1 (pH8.2) (g/l, 25 ° C). It is 100% miscible with ethanol, acetone, toluene and n-octanol, and 5% in n-hexane (25℃). Before boiling point, it is stable in heat, stable in hydrolysis and photolysis (pH6~7,25℃), and unstable under alkaline conditions. The flash point is 100℃ (1013mbar) and the dissociation constant is 4.57.

Antipour is a low-toxicity pesticide with acute oral toxicity LD50>2000 mg/kg in rats, acute percutaneous toxicity LD50>4000 mg/kg in rats, and inhalation toxicity LC50(48 h) >5.69 mg/L in rats. It is mildly irritating to rabbit skin and moderately irritating to eyes, but has no sensitization to guinea pig skin. ADI/RfD(EC) 0.32 mg/kg b.w.. It has low toxicity to birds, fish, fleas, algae, bees, earthworms and other environmental organisms.

Suitable crop

The only wheat registered in China is wheat, which is mainly applicable to Henan, Hebei, Shandong, Shaanxi, Shanxi, Hebei, Anhui, Jiangsu, Tianjin, Beijing and other winter wheat. Can also be used for rape, sunflower, castor, rice and other crops. Can also be used in ryegrass, tall fescue grass and other lawns.

Precautions

(1)Must be used on strong, vigorous tall fescue lawns.
(2)Choose a sunny and windless weather to apply the pesticide, spray the leaves evenly, and re-spray if it rains within 4 hours after application.
(3)Strictly follow the instructions on the label and instructions, and do not increase the dosage at will.

First aid treatment

If unwell, move the person from the danger area to a well-ventilated or fresh air place, and be careful not to get cold. In case of poisoning, send to the hospital for emergency treatment immediately. Inhalation immediately remove to Chemicalbook where the air is fresh. Flush eyes with plenty of water for a few minutes. Misuse, reuse of medical activated carbon, be careful not to give comatose people to take any items, do not induce vomiting.

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