Dursban
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Description
[Dow AgroSciences] A brand name for an Insecticide containing Chlorpyrifos, an organophosphate. Dursban is widely used for control of cockroaches, chinch bugs, spiders, mosquitos, and ticks. It has some residual activity.
Synonyms and Related Terms
chlorpyrifos; o,o-diethyl o-(3,5,6-trichloro-2-pyridyl) phosphorothioate; organophosphate; Lorsban; Pyrinex; ENT-27311; Dowco 179
Risks
- Toxic by inhalation, ingestion, and skin contact.
- Corrosive to copper and brass.
- Discolors red dyes.
- May leave deposits on nearby surfaces.
- Combustible. Flash point = 115 C Decomposes at 130 C
- Dow AgroSciences: SDS
Physical and Chemical Properties
- Emuslifiable in water.
- pH = 4.52 in a 10% solution.
- Soluble in most organic solvents.
| Composition | C9H11Cl3NO3PS |
|---|---|
| CAS | 2921-88-2 |
| Melting Point | 41-42 C |
| Density | 1.027 g/ml |
| Molecular Weight | mol. wt. = 35.39 |
Resources and Citations
- The Merck Index, Susan Budavari (ed.), Merck Research Labs, Whitehouse Station, NJ, 12th Edition, 1996 Comment: entry 2242
- Lynda A. Zycherman, J.Richard Schrock, A Guide to Museum Pest Control, FAIC and Association of Systematics Collections, Washington DC, 1988