Pyrazophos

Pyrazophos
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Names
	Preferred IUPAC name Ethyl 2-[(diethoxyphosphorothioyl)oxy]-5-methylpyrazolo[1,5-a]pyrimidine-6-carboxylate
	Other names Curamil (AgrEvo)
Identifiers
CAS Number	13457-18-6 Y;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:81942 Y;
ChemSpider	24247;
ECHA InfoCard	100.033.310
PubChem CID	26033;
UNII	BEG0A8I17D Y;
CompTox Dashboard (EPA)	DTXSID7042352 ;
	InChI 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;
	SMILES S=P(OCC)(OCC)Oc1nn2cc(c(nc2c1)C)C(=O)OCC;
Properties
Chemical formula	C14H20N3O5PS
Molar mass	373.36 g·mol−1
Appearance	Green to brown solid
Density	1.348 g/cm3
Melting point	51 to 52 °C (124 to 126 °F; 324 to 325 K)
Boiling point	decomposes at 160 °C
Solubility in water	4.2 mg/L
Hazards
Flash point	32 to 36 °C (90 to 97 °F; 305 to 309 K)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Pyrazophos is an organic compound used as a fungicide¹ and an insecticide.³

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

Ackermann, Peter; Margot, Paul; Müller, Franz (2000). "Fungicides, Agricultural". Ullmann's Encyclopedia of Industrial Chemistry. doi:10.1002/14356007.a12_085. ISBN 3527306730.
Record in the GESTIS Substance Database of the Institute for Occupational Safety and Health
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.

External links

Pyrazophos in the Pesticide Properties DataBase (PPDB)

[Ullmann-1] Ackermann, Peter; Margot, Paul; Müller, Franz (2000). "Fungicides, Agricultural". Ullmann's Encyclopedia of Industrial Chemistry. doi:10.1002/14356007.a12_085. ISBN 3527306730.

[GESTIS-2] Record in the GESTIS Substance Database of the Institute for Occupational Safety and Health

[SoyResearch-3] 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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