Technical endosulfan (6,7,8,9,10, 10-hexachloro-1,5,5a,6, 9,9a, hexahydro 6,9-methano-2,4,3-benodioxathiepin, 3-oxide) is a brown crystalline substance consisting of alpha- and beta-isomers in the ratio of approximately ...

Paraquat (l,l'dimethyl, 4,4' bipyridyl) is a nor selective contact herbicide. It is produced in several countries including China, Province of Taiwan, Italy, Japan, the United Kingdom, and the USA, and it is used world-wide ...

Technical tecnazene (2,3,5,6-tetrachloronitrobenzene), is an odourless, crystalline solid that is used in its formulated form as a fungicide and as a sprout inhibitor on stored potatoes. Gas chromatography with electron ...

Technical quintozene (pentachloronitrobenzene) is a white solid with a musty odour, that, is used in formulation as a soil fungicide and as a seed dressing. Hexachlorobenzene is a possible major contaminant in technical ...

Chlordecone (Kepone) is a tan- to white-coloured solid. Gas chromatography with electron capture detection is the method most widely used for the determination of chlordecone. Chlordecone was used as an insecticide and as ...

Aldrin and dieldrin are the common names of insecticides containing 95% HHDN and 85% HEOD, respectively. Throughout this monograph the names aldrin and dieldrin are used, although concentrations determined in the different ...

Pure pentachlorophenol (PCP) consists of light tan to white, needlelike crystals and is relatively volatile. It is soluble in most organic solvents, but practically insoluble in water at the slightly acidic pH generated ...

Diaminotoluenes are synthetic aromatic aimines (total of 6 isomers). The isolated, purified isomers are colourless crystals, while the commercial isomeric mixtures are light yellow to tan (Meta-diaminotoluene), or light ...

Polychlorinated dibenzo—p—dioxins (PCDDs) and polychlorinated dibenzofurans (PCDFs) are two series of tricyclic aromatic compounds with similar chemical and physical properties; they are ubiquitous in the environment. They ...

Arsenic is a ubiquitous element with metalloid properties. Its chemistry is complex and there are many different compounds of both inorganic and organic arsenic. In nature, it is widely distributed in a number of minerals, ...