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| Names | |
|---|---|
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Preferred IUPAC name
2,3-Dichloronaphthalene-1,4-dione | |
| Identifiers | |
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3D model (JSmol)
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| ECHA InfoCard | 100.003.828 |
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PubChem CID
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| UNII | |
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CompTox Dashboard (EPA)
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| Properties | |
| C10H4Cl2O2 | |
| Molar mass | 227.04 g·mol−1 |
| Appearance | Yellow crystals |
| Melting point | 193 °C (379 °F; 466 K) |
| 0.1 ppm | |
|
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Dichlone (trade names Phygon and Quintar) is a fungicide and algicide of the quinone class. It is a general use fungicide applied to fruits, vegetables, field crops, ornamentals, and residential and commercial outdoor areas. It is also used to control blue algae.
Dichlone is not persistent in soil and has moderate mammalian toxicity.
Dichlone can be manufactured by the chlorination and oxidation of naphthalene.
