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| Basic Properties | Tasteless, almost odorless white crystalline solid |
| Molecular Weight | 354.51 g/mol |
| Water Solubility | <1mg/L at 20 degrees C |
| Other Solubility | Very Soluble in cyclohexanone, dioxane, benzene, trichloroethylene, acetone, dichloromethane, chloroform, and diethyl ether |
| Melting Point | 108.5-109 degrees C |
| Boiling Point | 260 degrees C |
| Vapor Pressure | 0.025 mPa at 25 degrees C |
| Partition coefficient (octanol/water) | 100,000 |
Due to its low vapor pressure, DDT is a contact insecticide. This means that it is only effective if it comes into contact with the insect; it cannot be used as a gas. It is absorbed by arthropods through the waxy, hydrophobic cuticle [2].
[1]CHEMFINDER (http://chemfinder.cambridgesoft.com/result.asp)
[2]Mellanby, K. 1992. "The DDT Story." Surrey, UK: Unwin Brothers Limited.
