pymetrozine

Modify Date: 2024-01-02 16:26:37

pymetrozine Structure
pymetrozine structure
 Common Name pymetrozine
CAS Number 123312-89-0 Molecular Weight 217.227
Density 1.3±0.1 g/cm3 Boiling Point 401.1±37.0 °C at 760 mmHg
Molecular Formula C10H11N5O Melting Point 217ºC
MSDS Chinese USA Flash Point 196.4±26.5 °C
Symbol GHS07 GHS08
GHS07, GHS08		 Signal Word Warning

 Use of pymetrozine


Pymetrozine is a feeding inhibitor of Homoptera, in preventing transmission of cauliflower mosaic caulimovirus by the aphid species Myzus persicae (Sulzer).

 Names

Name pymetrozine
Synonym More Synonyms

 pymetrozine Biological Activity

Description Pymetrozine is a feeding inhibitor of Homoptera, in preventing transmission of cauliflower mosaic caulimovirus by the aphid species Myzus persicae (Sulzer).
Related Catalog
Target

Homoptera[1]

In Vivo Pymetrozine, a fast-acting and selective inhibitor of aphid feeding. In-situ studies with electronic monitoring of feeding behaviour. Pymetrozine, a pyridine azomethine compound, represents a novel insecticide with a selective activity against homopteran insects. It acts in a unique way: aphids are not knocked down on contact but seem to die of starvation. This implies an effect of Pymetrozine on feeding behaviour. The aim of the present work is to elucidate how and at which step Pymetrozine interferes with the complex mechanisms underlying phloem feeding. The effect of Pymetrozine, applied in various ways, on different phases of stylet penetration and feeding activity of individual aphids is studied using the Electrical Penetration Graph technique (EPG). Initial choice experiments indicated that Pymetrozine does not have a deterrent or antifeedant action. Topical application (150 ng/mg fresh weight) inhibits stylet insertion into the plant. When injected, less than 30 ng/mg is sufficient to produce the same effect. When Pymetrozine is systemically applied via plant spraying or root uptake, aphids started feeding normally. After some time, however, they withdrew their stylets from the phloem and walked around with unaffected locomotion. At low doses aphids eventually recovered and resumed feeding. High doses, however, irreversibly disrupted feeding and prevented stylet reinsertion. Aphid motility is not affected up to an estimated haemolymph concentration of 1 mM Pymetrozine. Aphids which eventually stopped feeding on Pymetrozine-treated plants showed EPGs with distorted salivation/ingestion patterns[2].
References

[1]. I D BEDFORD, et al. The effect of Pymetrozine, a feeding inhibitor of Homoptera, in preventing transmission of cauliflower mosaic caulimovirus by the aphid species Myzus persicae (Sulzer). Annals of Applied Biology. 1998 Jun; 132(3): 453-462

[2]. Paul Harrewijn, et al. Pymetrozine, a Fast-Acting and Selective Inhibitor of Aphid Feeding. In-situ Studies with Electronic Monitoring of Feeding Behaviour. Pest Management Science. 1997 Feb;49(2):130-140.

 Chemical & Physical Properties

Density 1.3±0.1 g/cm3
Boiling Point 401.1±37.0 °C at 760 mmHg
Melting Point 217ºC
Molecular Formula C10H11N5O
Molecular Weight 217.227
Flash Point 196.4±26.5 °C
Exact Mass 217.096359
PSA 69.95000
LogP -0.50
Vapour Pressure 0.0±1.0 mmHg at 25°C
Index of Refraction 1.665
Storage condition 0-6°C

 Safety Information

Symbol GHS07 GHS08
GHS07, GHS08
Signal Word Warning
Hazard Statements H332-H351-H412
Precautionary Statements P273-P281
Personal Protective Equipment Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
Hazard Codes Xn:Harmful;
Risk Phrases R40;R52/53
Safety Phrases S36/37-S61
RIDADR NONH for all modes of transport
RTECS XZ3018620
HS Code 2933699015

 Synthetic Route

3-Cyanopyridine structure

3-Cyanopyridine

CAS#:100-54-9

Nickel structure

Nickel

CAS#:7440-02-0

5-Azacytosine structure

5-Azacytosine

CAS#:931-86-2

~95%

pymetrozine Structure

pymetrozine

CAS#:123312-89-0

Literature: US5606057 A1, ;

 Customs

HS Code 2933699015
Summary 2933699015 4,6-dichloro-n-(2-chlorophenyl)-1,3,5-triazin-2-amine。supervision conditions:s(import or export registration certificate for pesticides)。VAT:17.0%。tax rebate rate:9.0%。MFN tarrif:6.5%。general tariff:20.0%

 Articles26

More Articles
Effects of pymetrozine, an antifeedant of Hemiptera, on Asian citrus psyllid, Diaphorina citri, feeding behavior, survival and transmission of Candidatus Liberibacter asiaticus.

Pest Manag. Sci. 67(2) , 146-55, (2011)

Vector-borne plant disease management can be enhanced by deployment of antifeedants in addition to the use of broad-spectrum neurotoxic insecticides. The effects of pymetrozine on Asian citrus psyllid...

Efficient high-performance liquid chromatography with liquid-liquid partition cleanup method for the determination of pymetrozine in tobacco.

Ann. Chim. 97(5-6) , 295-301, (2007)

For the first time, a novel, simple and reliable method for analysis of pymetrozine residues in flue-cured tobacco leaves has been developed utilizing HPLC-UV with liquid-liquid partition cleanup. Pre...

Susceptibilities of apple aphid and spirea aphid collected from apple in the Pacific Northwest to selected insecticides.

J. Econ. Entomol. 99(4) , 1369-74, (2006)

Laboratory bioassays using leaf disks of apple dipped in test solutions of insecticides demonstrated that the apple aphid, Aphis pomi De Geer, and the spirea aphid, Aphis spiraecola Patch, differed si...

 Synonyms

1,2,4-Triazin-3(2H)-one, 4,5-dihydro-6-methyl-4-[[(1E)-3-pyridinylmethylene]amino]-
Pymetrozin
(E)-4,5-dihydro-6-methyl-4-(3-pyridylmethyleneamino)-1,2,4-triazin-3(2H)-one
6-Methyl-4-{[(E)-3-pyridinylmethylene]amino}-4,5-dihydro-1,2,4-triazin-3(2H)-one
MFCD01632346
6-Methyl-4-[(E)-(3-pyridinylmethylene)amino]-4,5-dihydro-1,2,4-triazin-3-ol
6-methyl-4-{[(E)-pyridin-3-ylmethylidene]amino}-4,5-dihydro-1,2,4-triazin-3(2H)-one
1,2,4-Triazin-3-ol, 4,5-dihydro-6-methyl-4-[[(1E)-3-pyridinylmethylene]amino]-
(E)-4,5-Dihydro-6-methyl-4-[(3-pyridinylmethylene)amino]-1,2,4-triazin-3(2H)-one
6-Methyl-4-{[(E)-pyridin-3-ylmethylen]amino}-4,5-dihydro-1,2,4-triazin-3(2H)-on
6-Methyl-4-[(E)-(3-pyridinylmethylene)amino]-4,5-dihydro-1,2,4-triazin-3(2H)-one
6-Methyl-4-{[(E)-pyridin-3-ylmethylene]amino}-4,5-dihydro-1,2,4-triazin-3(2H)-one
pymetrozine
4,5-dihydro-6-methyl-4-[(E)-(3-pyridinylmethylene)amino]-1,2,4-triazin-3(2H)-one
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Chemsrc provides pymetrozine(CAS#:123312-89-0) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of pymetrozine are included as well.>> amp version: pymetrozine

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