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| Pymetrozine |
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| insecticide, pesticide, argochemical |
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Detailed Product Description
Pymetrozine: insecticide, pyridine
Features:
1) Common name: pymetrozine
2) Structural formula:
3) Chemical name: 4,5-2H-6-methyl-4(3-pyridine-methano-amino)-1,2,
4-triadiazin-3-3(2H)-one
4) Molecular formula: C10H11N5O
5) Molecular weight: 217.2
6) CAS no.: 123312-89-0
Physical and chemical properties:
1) Appearance: colorless crystals
2) Melting point: 217oC
3) Vapor pressure: <4 x 10-3mPa (25oC)
4) KOWlogP: -0.18
5) Henry: <3.0 x 10-6Pa m3 mol-1 (calc.)
6) S.g./density: 1.36 (20oC)
7) Solubility:
a) In water: 0.29g/L (pH 6.5. 25oC)
b) In ethanol 2.25, hexane <0.001 (both in g/l. 20oC)
8) Stability: stable in air, hydrolysis DT50 4.3 h (pH 1), 25d (pH 5)
Technical specifications:
Pymetrozine 92% tech. specification:
1) Appearance: white to slightly yellow powder
2) a.i. content: >=92%
3) Insoluble matter in acetone: <=1.0%
4) Water: <=1.0%
5) PH: 6 - 9
6) Formulation types: WP
WG
7) Analysis: determination by HPLC and UV detection
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:
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
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
Packaging:
25kg/plastic woven bag or cardboard drum lined with plastic bag
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Kingquenson is one of excellent agrochemical manufacturer and exporter in China, we synthesize and export all kinds of insecticide, herbicide, fungicide, and their intermediate. Advanced technology and good management enable us to provide agrochemicals with premium quality on competitive price. Please do not hesitate to contact us.
Mr. Jason lee
Tel: 86-21-65757793
Mail: Jason@kingquenson.com
Website: www.kingquenson.com
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