Customization: | Available |
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CAS No.: | 123312-89-0 |
Formula: | C10H11N5O |
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Common name |
Pymetrozine |
Chemical name |
4, 5 - dihydro - 6 - methyl - 4 - (3 - pyridine methylene amino) - 1,2,4-3 (2 h) - ketone |
CAS No |
123312-89-0 |
M.F. |
C10H11N5O |
Description |
1.Melting Point:217°C 2.Vapour Pressure: (20°C):<9.7510-8pa(°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. |
Toxicity |
1) Oral: acute oral LD50 for rats 5820mg/kg 2) Skin and eyes: acute percutaneous LD50 for rats >2000mg/kg. Non-irritatingto the skin and eyes (rabbits). Not a ski sensitiser 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 |
Function |
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. |
Pymetrozine 98%TC |
|
ITEMS | STANDARDS |
Appearance | white to slightly yellow powder |
Content | ≥98% |
Moisture | ≤1.0% |
pH | 6.0-9.0 |
Acetone insolubles | ≤1.0% |
Melting point | 217°C |
Pymetrozine 50%WDG | |
ITEMS | STANDARDS |
Appearance | White granule |
Content | ≥50% |
Suspensibility | ≥60% |
Moisture | ≤2.0% |
Thermal Stability | Qualified |
Time of solubility in water | ≤2min |
Pymetrozine 25%SC | |
ITEMS | STANDARDS |
Appearance | White ropy liquid |
Content | ≥25% |
Suspensibility | ≥75% |
pH | 8.0-10.0 |
Wetting time | ≤90S |
Wet sieve (through 45μm sieve) | ≥98% |