O

Organic Compounds

Benzene

Ethylbenzene

(C6H5C2H5)

Toluene

(C6HC5H3>

Halogenated Compounds

Chlorobenzene

(C6H5Cl)

Chloroethene

(CH2CHCl)

Dichloromethane

(CH2Cl2)

Tetrachloroethene

(CCl2CCl2)

Pesticides, Herbicides, Insecticidesa

Endrin

(C12H6OCl6) Lindane

(C6H6Cl6)

Methoxychlor

(Cl3CCH(C6H4OCH3)2)

Toxaphene

(C10H10Cl6) Silvex

(a3C6H2OCH(CH3)COOH)

Manufacturing of ethylbenzene (for styrene monomer); dodecylbenzene (for detergents); cyclohexane (for nylon); phenol; nitrobenzene (for aniline); maleic anhydride; chlorobenzene hexachloride; benzene sulfonic acid; and as a solvent Intermediate in the production of styrene and as a solvent

Aviation gasoline and high-octane blending stock; benzene, phenol, and caprolactam; solvent for paints and coatings, gums, resins, most oils, rubber, vinyl organosols; diluent and thinner in nitrocellulose lacquers; adhesive solvent in plastic toys and model airplanes; chemicals (benzoic acid, benzyl and bezoyl derivatives, saccharine, medicines, dyes, perfumes); source of toluenediisocyanates (polyurethane resins); explosives (TNT); toluene sulfonates (detergents); and scintillation counters

Phenol, chloronitrobenzene, aniline, solvent carrier for methylene diisocyanate, solvent, pesticide intermediate, heat transfer Polyvinyl chloride and copolymers, organic synthesis, and adhesives for plastics

Paint removers, solvent degreasing, plastics processing, blowing agent in foams, solvent extraction, solvent for cellulose acetate, and aerosol propellant Dry cleaning solvent, vapor-degreasing solvent, drying agent for metals and certain other solids, vermifuge, heat transfer medium, and manufacture of fluorocarbons

Insecticide and fumigant

Pesticide

Insecticide

Insecticide and fumigant Herbicides and plant growth regulator

A carcinogen. Highly toxic. Flammable, and a dangerous fire risk

Toxic by ingestion, inhalation, and skin absorption; irritant to skin and eyes. Flammable and a dangerous fire risk Flammable and a dangerous fire risk. Toxic by ingestion, inhalation, and skin absorption

Moderate fire risk. Recommend avoiding inhalation and skin contact

An extremely toxic and hazardous material by all avenues of exposure. A carcinogen Toxic. A carcinogen and a narcotic

Irritant to eyes and skin

Toxic by inhalation and skin absorption and a carcinogen Toxic by inhalation, ingestion, and skin absorption Toxic material

Toxic by ingestion, inhalation, and skin absorption Toxic material; use restricted

Source: Metcalf and Eddy, Inc., 1991, Wastewater engineering, 3d ed. (New York: McGraw-Hill).

Note: aPesticides, herbicides, and insecticides are listed by trade name. The compounds listed are also halogenated organic compounds.

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