Pyrazophos

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Pyrazophos
Pyrazophos.svg
Pyrazophos-3D-spacefill.png
Names
Preferred IUPAC name
Ethyl 2-[(diethoxyphosphorothioyl)oxy]-5-methylpyrazolo[1,5-a]pyrimidine-6-carboxylate
Other names
Curamil (AgrEvo) [1]
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.033.310 OOjs UI icon edit-ltr-progressive.svg
PubChem CID
UNII
  • InChI=1S/C14H20N3O5PS/c1-5-19-14(18)11-9-17-12(15-10(11)4)8-13(16-17)22-23(24,20-6-2)21-7-3/h8-9H,5-7H2,1-4H3
    Key: JOOMJVFZQRQWKR-UHFFFAOYSA-N
  • S=P(OCC)(OCC)Oc1nn2cc(c(nc2c1)C)C(=O)OCC
Properties
C14H20N3O5PS
Molar mass 373.36 g·mol−1
AppearanceGreen to brown solid [2]
Density 1.348 g/cm3 [2]
Melting point 51 to 52 °C (124 to 126 °F; 324 to 325 K) [2]
Boiling point decomposes at 160 °C [2]
4.2 mg/L [2]
Hazards
Flash point 32 to 36 °C (90 to 97 °F; 305 to 309 K) [2]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Pyrazophos is an organic compound used as a fungicide [1] and an insecticide. [3]

Contents

Uses

Pyrazophos is a systemic fungicide which is used in orchards, vineyards and vegetable crops against powdery mildew. In some instances, the compound is also an effective insecticide (e.g. against leaf-miner flies). [3]

History

The compound has been commercially available since 1970. [1]

References

  1. 1 2 3 Ackermann, Peter; Margot, Paul; Müller, Franz (2000). "Fungicides, Agricultural". Ullmann's Encyclopedia of Industrial Chemistry. doi:10.1002/14356007.a12_085. ISBN   3527306730.
  2. 1 2 3 4 5 6 Record in the GESTIS Substance Database of the Institute for Occupational Safety and Health
  3. 1 2 Shanmugasundaram, S.; Yeh, C.C.; Hartman, G.L.; Talekar, N.S. (1991). Vegetable Soybean Research Needs for Production and Quality Improvement (PDF). Taipei: Asian Vegetable Research and Development Center. pp. 88–89. ISBN   9789290580478. Archived from the original (PDF) on February 6, 2016. Retrieved 6 February 2016.


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