SPECTRUM

Chemical Fact Sheet

Chemical Abstract Number (CAS #) 131895
CASRN 131-89-5
SynonymsDinex
DN-111
2-Cyclohexyl-4,6-dinitrophenol
Phenol, 2-cyclohexyl-4,6-dinitro-
Analytical Method EPA Method 8040
Molecular FormulaC12H14N2O5

Link to the National Library of Medicine's Hazardous Substances
Database for more details on this compound.

Use INSECTICIDE, ESPECIALLY IN CONTROL OF CITRUS RED MITE MOLLUSCIDE 2-Cyclohexyl-4,6-dinitrophenol is used as an acaricide especially for control of citrus red mites.
Apparent Color CRYSTALLINE SOLID
Melting Point 106.5-107.5 DEG C
Molecular Weight 266.25
Environmental Impact Release of 2-cyclohexyl-4,6-dinitrophenol to the environment will result from its use as an insecticide for the control of citrus red mites. Release to the soil will result in strong adsorption to soils so little leaching to groundwater is expected. Direct photolysis at the soil surface may be significant. Biodegradation may occur. Volatilization is not expected to be significant. Release of 2-cyclohexyl-4,6-dinitrophenol to water will result in bioconcentration, adsorption to sediments and possibly direct photolysis (based on its absorption of light of greater than 290 nm). Volatilization is expected to be slow. As a weak acid, ionization of 2-cyclohexyl-4,6-dinitrophenol will occur in alkaline waters and the ionized species is not expected to bioconcentrate or volatilize. Release of 2-cyclohexyl-4,6-dinitrophenol to air may result in direct photolysis and adsorption of some 2-cyclohexyl-4,6-dinitrophenol to particulate matter is expected. The half-life of the reaction of vapor phase 2-cyclohexyl-4,6-dinitrophenol with photochemically generated hydroxyl radicals in the atmosphere was estimated to be 6.8 h. Exposure to 2-cyclohexyl-4,6-dinitrophenol in humans is expected to occur primarily in workers using the insecticide.
Environmental Fate TERRESTRIAL FATE: 2-Cyclohexyl-4,6-dinitrophenol is expected to strongly adsorb to soils and is not, therefore, expected to leach to groundwater. Volatilization is not expected to be significant. Biodegradation may occur. AQUATIC FATE: 2-Cyclohexyl-4,6-dinitrophenol is expected to adsorb to sediments and bioconcentration of unionized 2-cyclohexyl-4,6-dinitrophenol will be significant although the ionized species is not expected to bioconcentrate. 2-Cyclohexyl-4,6-dinitrophenol may photolyze in water. Biodegradation may occur. Volatilization is not expected to be significant. ATMOSPHERIC FATE: The half-life of the reaction of vapor phase 2-cyclohexyl-4,6-dinitrophenol with photochemically generated hydroxyl radicals in the atmosphere was estimated to be 6.8 hr. . The absorption spectrum of 2-cyclohexyl-4,6-dinitrophenol indicates that it will absorb radiation above 290 nm, so 2-cyclohexyl-4,6-dinitrophenol may directly photolyze. Terrestrial and Aquatic Fate: Chemical, microbial, and photochemical decomposition, volatilization, movement, organism uptake, and absorbtion are the principal factors affecting the fate and behavior of pesticides in soil and water systems. The relative importance of any of these factors is dependant on the physiocochemical factors of both the soil and the chemical. /Pesticides

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