Lead is a bluish or silvery-grey soft metal. With the exception of the nitrate, the chlorate, and, to a much lesser degree, the chloride, the salts of lead are poorly soluble in water.This document, although based on a ...

Technical dichlorvos is a colourless to amber liquid with a mild chemical odour. It is hydrolysed by water at a rate of 3% per day at room temperature. It is corrosive to iron and mild steel.The purpose of a Health and ...

The extent to which human somatic and germinal mutation frequencies may be increased by exposure to ionizing radiation and to the variety of chemicals that characterize modern societies has been a matter of concern in ...

This is a companion volume to Environmental Health Criteria 82: Cypermethrin. The Environmental Health Criteria (EHC) documents produced by the International Programme on Chemical Safety include an assessment of the effects ...

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 ...

2,4-D is a selective herbicide which kills broad-leaved plants but not grasses or conifers. Its chemical structure is a modification of a naturally occurring plant hormone. 2,4-D is available as the free acid but is ...

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. ...

Hydrogen sulfide is a colourless gas with a characteristic odour that is soluble in various liquids including water, alcohol, ether, and solutions of amines, alkali carbonates, and bicarbonates. It can undergo a number of ...

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 ...

Although only key references essential for the evaluation of the risks for human health and the environment are cited, this document is based on a comprehensive search of the available, original scientific literature, while ...