Methanol is a clear, colourless, volatile flammable liquid with a mild alcoholic odour when pure. It is miscible with water and many organic solvents and forms many binary azeotropic mixtures. Methanol occurs naturally ...

Alpha-hexachlorocyclohexane (alpha-HCH) is a major by-product (65-70%) in the manufacture of lindane (> 99% gamma-HCH). Its solubility in water is low, but it is very soluble in organic solvents such as acetone, chloroform, ...

All exposure determinations and risk assessments ultimately depend on accurate chemical analyses, and therefore some critical aspects of analysis for 2,4-D residues have been included in the present document. The available ...

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 ...

Propachlor is a pre-emergence and early post-emergence herbicide derived from acetanilide, and has been in use since 1965. The major formulations are as wettable powder, liquid flowable (suspension concentrate) and as ...

Mercury is a metal which is liquid at normal temperatures and pressures. It forms salts in two ionic states mercury(I) and mercury (II). Mercury (II), or mercuric, salts are very much more common than mercury(l) salts, and ...

1,1,1-Trichloroethane is a chlorinated hydrocarbon which is manufactured from vinyl chloride or vinylidene chloride by chlorination. The world production was approximately 680 000 tonnes in 1988. It is a colourless, ...

Cypermethrin was initially synthesized in 1974 and first marketed in 1977 as a highly active synthetic pyrethroid insecticide, effective against a wide range of pests in agriculture, public health, and animal husbandry. ...

Fenvalerate is a potent insecticide that has been in use since 1976. It is an ester of 2-(4-chlorophenyl)-3-methylbutyric acid and alpha-cyano-3-phenoxybenzyl alcohol, but lacks a cyclopropane ring. However, in terms ...

This document is a review of occupational and environmental exposure to selected synthetic organic fibres. The particular fibres covered in this document have been selected because they are the only ones for which some ...