A phenoxypyrazole acaricide
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Product Type

Environmental Toxicology
Pesticides
Acaricides

(E)-Fenpyroximate

Item No. 25625

Product Insert (PDF)Safety Data Sheet (SDS) (PDF)
Technical Information
Formal Name
4-[[[(E)-[(1,3-dimethyl-5-phenoxy-1H-pyrazol-4-yl)methylene]amino]oxy]methyl]-benzoic acid, 1,1-dimethylethyl ester
CAS Number
134098-61-6
Synonyms
  • Fenpyroximate
  • NNI-850
Molecular Formula
C24H27N3O4
Formula Weight
421.5
Purity
≥98%
Formulation
A solid
Solubility(Learn about Variance in Solubility)
Chloroform: Slightly solubleMethanol: Slightly soluble
SMILES
O=C(OC(C)(C)C)C1=CC=C(CO/N=C/C2=C(OC3=CC=CC=C3)N(C)N=C2C)C=C1
InChi Code
InChI=1S/C24H27N3O4/c1-17-21(22(27(5)26-17)30-20-9-7-6-8-10-20)15-25-29-16-18-11-13-19(14-12-18)23(28)31-24(2,3)4/h6-15H,16H2,1-5H3/b25-15+
InChi Key
YYJNOYZRYGDPNH-MFKUBSTISA-N
Shipping & Storage Information
Storage
-20°C
Shipping
Room temperature in continental US; may vary elsewhere
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    Product Description

    (E)-Fenpyroximate is a phenoxypyrazole acaricide.1 It is lethal to mobile adult phytophagous mites of the genera Tetranychidae, Eriophyidae, and Tarsonemidae and inhibits molting at immature stages. (E)-Fenpyroximate reduces the number of eggs laid per female and is lethal to female A. swirskii predatory mites.2 It is also selectively lethal to worker over queen honey bees (LD50s = 30 and >1,620 μg/g, respectively).3 (E)-Fenpyroximate induces cell death in marine flounder (P. olivaceus) gill cells (IC50 = 800-1,250 nM) and is lethal to adult living flounder (LC50 = 28.84 nM in seawater).4 Formulations containing (E)-fenpyroximate have been used in the control of insects and mites in agriculture.

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Konno, T., Kuriyama, K., and Hamaguchi, H. Fenpyroximate (NNI-850), a new acaricide. Brighton Crop Protection Conference, Pests and Diseases 1, 71-78 (1990).

    2. Lopez, L., Smith, H.A., Hoy, M.A., et al. Acute toxicity and sublethal effects of fenpyroximate to Amblyseius swirskii (Acari: Phytoseiidae). J. Econ. Entomol. 108(3), 1047-1053 (2015).

    3. Dahlgren, L., Johnson, R.M., Siegfried, B.D., et al. Comparative toxicity of acaricides to honey bee (Hymenoptera: Apidae) workers and queens. J. Econ. Entomol. 105(6), 1895-1902 (2012).

    4. Na, N., Guo, H., Zhang, S., et al. In vitro and in vivo acute toxicity of fenpyroximate to flounder Paralichthys olivaceus and its gill cell line FG. Aquat. Toxicol. 92(2), 76-85 (2009).