Pymetrozine (96%TC, 50%WDG, 25%WP, 25%SC)

Details:

Physical & Chemical Properties 
1. Melting Point: 217° C 
2. Vapour Pressure: (20° C): <9.7510-8 pa (° C) 
3. Molecular weight: 217.23 
4. Density (20° C): 1.36 
5. Solubility (g/L): In water0.29 (25° C), ethanol 2.25(20° C); 
6. Stability: Decomposing DT50=4.3 days in water under pH=7 
Conditions, decomposing DT50=25 days in water under ph=5 conditions. 
7. Appearance: Colorless crystals. 
Mode of Action 
Insecticide selective against Homoptera, causing them to stop feeding. 
Toxicity 
1) Oral: Acute oral LD50 for rats 5820mg/kg 
2) Skin and eyes: Acute percutaneous LD50 for rats >2000mg/kg. 
Non-irritating to the skin and eyes (rabbits). Not a skin sensitizer to guinea pigs. 
3) Inhalation: LC50 (4h) >1800mg/m3 air 
4) NOEL: (2y) for rats 3.7mg/kg b. W. Daily 
5) ADI: 0.03mg/kg b. W. 
6) Other: Non-mutagenic in 5 assay tests, including the Ames test 
7) Birds: Acute oral LD50 for bobwhite quails, mallard ducks >2000mg/kg. 
LC50 for bobwhite quails (8d) >5200ppm 
8) Fish: LC50 (96h) for rainbow trout and common carp >100mg/L 
9) Daphnia: LC50 (48h) 87mg/L 
10) Algae: LC50 (72h) for Scenedesmus subspicatus 47.1; LC50 (5d) for Selenastrum 
Capricornutum 21.7mg/L 
11) Bees: Oral LD50 (48h) >117 (Lig/bee; Contact LD50 (48h)>200ig/bee 
12) Worms: LC50 (14d) for Eisenia foetlda 1098mg/kg soil 
Application 
A) Control of aphids and whitefly in vegetables, potatoes, ornamentals, cotton, deciduousand citrus fruit, tobacco, hops; Both juvenile and adult stages are susceptible. Also for control of plant hoppers in rice. 
B) Application rates vary from 150g/ha on potatoes to 200 - 300g/ha on ornamentals, tobacco and cotton; 10-30g/hl on vegetables, fruit and hops.