Amitraz (CAS 33089-61-1): Technical Overview and Applications
Table of Contents
1. Basic Information & Specifications
| Parameter | Value |
|---|---|
| Chemical Name | Amitraz (IUPAC: N,N-Bis(2,4-dimethylphenyl)iminomethyl-N-methylmethanimidamide) |
| CAS Number | 33089-61-1 |
| Molecular Formula | C19H23N3 |
| Molecular Weight | 293.41 g/mol |
| Appearance | White to pale yellow crystalline powder |
| Melting Point | 86–88°C |
| Boiling Point | 450.7°C at 760 mmHg |
| Solubility | Soluble in acetone, xylene; insoluble in water |
| Stability | Light-sensitive; store in cool, dry conditions |
| Safety Data | Oral LD50 (mice): 600–800 mg/kg |
2. Key Applications
Agricultural Use
- Target Pests: Effective against all life stages of mites (eggs, larvae, adults).
- Crops: Widely used on cotton, fruit trees (e.g., citrus, apples), and vegetables.
- Formulations: Available as emulsifiable concentrates (EC), wettable powders (WP), and pour-on solutions.
Veterinary Use
- Livestock: Controls ticks and mites in cattle, sheep, and goats.
- Mode of Action: Dual contact and fumigant activity with residual protection.
3. Usage Guidelines
Dosage Recommendations
| Application | Concentration | Frequency |
|---|---|---|
| Cotton Mites | 0.05–0.1% solution | Apply at first sign of infestation |
| Citrus Red Mites | 0.025% solution | Repeat every 14 days if needed |
| Livestock Dip | 0.025–0.05% emulsion | Single treatment per season |
Safety Precautions
- Wear protective gloves and goggles during handling.
- Avoid contamination of water sources.
- Do not apply near beehives due to toxicity to bees.
4. Case Studies
Case Study 1: Cotton Farm in Hubei, China
- Problem: Severe spider mite infestation reducing yield by 40%.
- Solution: Applied 0.075% Amitraz EC twice at 14-day intervals.
- Result: 95% mite reduction; yield recovered to 90% of baseline.
Case Study 2: Dairy Cattle Farm in New Zealand
- Problem: Persistent tick infestation affecting milk production.
- Solution: Single pour-on treatment with 0.04% Amitraz.
- Result: Ticks eliminated within 72 hours; milk yield increased by 18%.
5. Supplier Examples
| Supplier | Purity | Packaging | Application |
|---|---|---|---|
| Wuhan Weisserman Biotech | ≥99% (HPLC) | 25 kg/drum | Research & manufacturing |
| Hubei Ruike Chemical | 99% | 1 kg to metric ton | Agricultural formulations |
| Shanghai Chenyi Biotech | HPLC ≥98% | 250 mg to 1 kg | Analytical standards |
6. Contact for Inquiries
For pricing, certifications, or technical specifications:
- Email: info@vivalr.com
- Tel: (86) 15866781826
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