【 Chemical Name】: 2,4,5,6-tetrachloro-1,3-phenyldicarbonamide

【Structural formula】：

【Molecular formula】：C₈Cl₄N₂

【 Molecular Weight 】: 265.9

【 Original drug registration number 】: PD86179-4

【 Physical and Chemical Properties 】: The pure product is a colorless and odorless crystal, with a melting point of 250 ℃ -251 ℃, a boiling point of 350 ℃, and a vapor pressure of 1.3Pa at 40 ℃. The solubility in water at 25 ℃ is 0.6mg/l, acetone is 2g/mg, cyclohexanone is 30g/mg, kerosene is less than 10g/kg, and xylene is 80g/kg. Under normal conditions, it is stable to alkaline and acidic aqueous solutions, as well as to UV radiation. No corrosive effect.

【 Mechanism of Action 】: This product can bind with the activity of 3-phosphoglyceraldehyde deoxygenase in fungal cells and the protein containing cysteine in the enzyme body, disrupting the enzyme's activity and causing the metabolism of fungal cells to be disrupted and lose vitality.

【 Precautions 】:

1. This product has a stimulating effect on human eyes and skin, so please take precautions when in contact.

2. Toxic to fish, do not pollute water bodies and fish ponds.

3. Medicinal damage can be addressed to young peaches, pears, persimmons, plums, and apples. Smoking agents are toxic to silkworms, oak silkworms, and bees.

4. The maximum allowable residue level in vegetables such as tomatoes and cucumbers is 5mg/kg; 0.1mg/kg in potato and peanut kernels; 15mg/kg in celery, 1mg/kg in zucchini and sweet corn.

5. The safety interval is 7 days for peanuts and 14 days for peanuts.

6. The half-life in soil is 6 days.

【 Method of action 】: Baijunqing is an efficient, broad-spectrum, and safe agricultural and forestry fungicide with preventive and therapeutic effects, a long duration of efficacy, and stability.

Degradation metabolism: In plants, 4-hydroxy-2,5,6-trichloroisophthalic acid is a metabolite. The half-life in soil is 1.5-3 months, depending on the moisture content and soil temperature.

Raw material project indicators

【 Packaging 】: 25kg plastic woven bag, 500kg container bag or arranged according to customer needs.