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Chengdu Newsun Crop Science Co., Ltd.

Insecticide, Whitefly Killer, Agochemical manufacturer / supplier in China, offering Agriculture Pesticide Pymetrozine 98% Tc, Plant Growth Stimulant Zeatin 99%, Granular Form Agri-Sc Soil Amendment and so on.

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Agriculture Pesticide Pymetrozine 98% Tc

FOB Price: Get Latest Price
Min. Order: 1 KG
Production Capacity: 5000mt/Year
Transport Package: 25kgs/Carton Drum
Payment Terms: L/C, T/T, D/P, Western Union

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Basic Info
  • Appearance: Powder
  • Mode: Contact Insecticide
  • Specification: 98% Tc, 25% Wp
  • Source: Organic Synthesis
  • Trademark: Newsun
  • Origin: China
Product Description
Pesticide Pymetrozine 98% TC

Common name: Pymetrozine
Chemical name: 4, 5 - 2H - 6-methyl - 4(3 - pyridine - methano - ) - 1, 2, 4 - triadiazin - 3-(2H) one
Formula: C10H11N5O
Molecular Weight: 209. -3
CAS: 123312-89-0

Physical and chemical properties:
1) Appearance: Colorless crystals
2) Melting point: 217 C
3) Vapor pressure: <4 x 10-3mPa (25C)
4) KOWlogP: -0.18
5) Henry: <3.0 x 10-6PA m3 mol-1 (calc. )
6) S. G. /density: 1.36 (20C)
7) Solubility:
A) In water: 0.29g/L (pH 6.5.25C)
B) In ethanol 2.25, hexane <0.001 (both in g/l. 20C)
8) Stability: Stable in air, hydrolysis DT50 4.3 d (pH 1), 25d (pH 5)

Applications:
1) Action: Insecticide selective against Homoptera, causing them to stop feeding.
2) Uses:
A) Control of aphids and whitefly in vegetables, potatoes, ornamentals, cotton, deciduous and 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.

Toxicology:
Mammalian Toxicology
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 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
Ecotoxicology
1) Birds: Acute oral LD50 for bobwhite quails, mallard ducks >2000mg/kg. LC50 for bobwhite quails (8d) >5200ppm
2) Fish: LC50 (96h) for rainbow trout and common carp >100mg/L
3) Daphnia: LC50 (48h) 87mg/L
4) Algae: LC50 (72h) for Scenedesmus subspicatus 47.1; LC50(5d) for Selenastrum capricornutum 21.7mg/L
5) Bees: Oral LD50 (48h) >117 (Lig/bee; Contact LD50 (48h)>200ig/bee
6) Worms: LC50 (14d) for Eisenia foetlda 1098mg/kg soil
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Mr. Dangxiao Hao
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