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Diformamidine has a variety of poisoning mechanisms, mainly inhibiting the activity of monoamine oxidase, and inducing excitatory effects on non-cholinergic synapses of the central nervous system of harmful mites. Pest mites that are resistant to other acaricides also have high activity. Bisformamidine is a broad-spectrum acaricide, mainly with contact killing effect, both gastric toxicity, fumigation, refusal to eat, repellent effect, has a certain penetration and systemic properties for plants, effective for young mites, adult mites and mite eggs, effective for pest mites resistant to some other acaricides with good fast-acting and strong holding effect.
Amitraz is a broad-spectrum acaricide. Amitraz is mainly used for the control of mites in fruit trees, cotton, vegetables and other crops, and can also be used for cattle, sheep and other livestock to control ticks.
| Items | Specification | Result |
| Assay | ≥98% | 99.26% |
| Appearance | White to buff crystalloid | Buff crystalloid |
| Moisture | ≤0.1% | 0.07% |
| PH | 8-11 | 8.4 |
| Product parameters | |
| Cas number: | 33089-61-1 |
| Appearance: | White to buff crystalloid |
| Purity: | 98%min |
| Package details: | 25kg/drum |
| Brand: | Fortunachem |
Amitraz (chemical name: N,N'-bis(2,4-dimethylphenyl)formamidine; CAS No. 33089-61-1) is a synthetic formamidine pesticide widely used as a broad-spectrum acaricide and insecticide. It appears as a white to pale yellow crystalline solid with a melting point of 88–89 °C, low water solubility (~1 mg/L), and good solubility in organic solvents like acetone and xylene.
Key Uses of Amitraz:
Acaricidal (Mite Control):
Highly effective against mites (e.g., spider mites, rust mites, tetranychid mites) on crops such as cotton, citrus, apples, pears, strawberries, and vegetables.
Controls all life stages: eggs, larvae, nymphs, and adults.
Insecticidal Activity:
Used against pear psylla, whiteflies, aphids, scale insects, and larvae of lepidopteran pests (e.g., cotton bollworm).
Shows repellent, anti-feeding (antifeedant), and growth-inhibiting effects.
Veterinary Applications:
Treats ticks, mites, lice, and mange (e.g., sarcoptic mange) in cattle, sheep, goats, dogs, and other livestock.
Applied via dips, sprays, or spot-on formulations.
Mode of Action:
Acts as an α₂-adrenergic agonist and interacts with octopamine receptors in arthropods.
Disrupts neurotransmission, leading to hyperactivity, paralysis, and death.
Also inhibits monoamine oxidase and prostaglandin synthesis in pests.
Crop Safety & Compatibility:
Considered safe for beneficial insects like ladybugs and parasitic wasps at recommended doses.
Often mixed with other pesticides (e.g., abamectin) for enhanced efficacy.
Safety & Environmental Notes:
Moderate toxicity to mammals (rat oral LD₅₀ ≈ 600–800 mg/kg).
Highly toxic to fish and aquatic organisms (e.g., LC₅₀ for carp = 1.17 mg/L over 48h).
Low risk to birds and bees when used properly.
Not persistent in the environment; degrades under UV light and in alkaline conditions.
Storage: Keep sealed at 0–6 °C in a dry, cool place.
Amitraz remains a valuable tool in integrated pest management (IPM) due to its unique mode of action and effectiveness against resistant mite populations.
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