428 datasets found

Carbaryl is the common name for the carbamic acid derivative 1-naphthyl N-methylcarbamate. The technical grade product is a white crystalline solid, with a low volatility; it is...

The term polybrominated biphenyls or polybromobiphenyls (PBBs) refers to a group of halogenated hydrocarbons, formed by substituting hydrogen by bromine in biphenyl. PBBs are...

Polychlorinated biphenyls (PCBs) were discovered before the turn of the century and their usefulness for industry, because of their physical properties, was recognized early....

2-Nitropropane (2-NP) is a colourless, oily liquid with a mild odour. It is flammable, only moderately volatile, and stable under ordinary conditions. It is only slightly...

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...

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...

Nephrotoxicity can be defined as renal disease or dysfunction that arises as a direct or indirect result of exposure to medicines, and industrial or environmental chemicals. It...

This publication describes reference methods for the determination of organotin compounds in environmental samples. Inputs of organotin compounds to the aquatic environment...

Tributyltin (TBT) compounds are organic derivatives of tetravalent tin. They are characterized by the presence of covalent bonds between carbon atoms and a tin atom and have the...

The first part of this project, dealing with in vitro studies, was published in 1985 (Ashby et al., 1985) and was summarized in Environmental Health Criteria 47 (WHO, 1985). The...

Barium is one of the alkaline earth metals, having a relative atomic mass of 137.34 and an atomic number of 56. It has seven naturally occurring stable isotopes, of which 138Ba...

Ochratoxins are produced by several species of the fungal genera Aspergillus and Penicillium. These fungi are ubiquitous and the potential for the contamination of foodstuffs...

This monograph has been prepared on behalf of the Central Unit of the International Programme on Chemical Safety (IPCS) and its aim is to provide an update of the principles...

This monograph focuses on the risks to human health from compounds of monomethylmercury and examines the data that have become available since the publication of Environmental...

This report review the potential harmful substances which are organized by WHO and FAO and UNEP. Following review by GESAMP XV, New York, 25-29 March 1985 the Working Group met...

Vinylidene chloride (C2H2Cl2) is a volatile, colourless liquid with a "sweet" odour. It is stabilized with p- methoxyphenol to prevent the formation of explosive peroxides....

Cyhalothrin is formed by esterifying 3-(2-chloro-3,3,3-trifluoroprop-1-enyl)-2,2- dimethylcyclopropanecarboxylic acid with alpha-cyano-3-phenoxybenzyl alcohol, and it consists...

Tetramethrin was first synthesized in 1964 and first marketed in 1965. Chemically, it is an ester of chrysan-themic acid (2,2-imethyl-3-(2,2-dimethylvinyl)-cyclopro-...

d-Phenothrin has been in use since 1977. It is estimated that 70-80 tonnes of d-phenothrin are used annually worldwide, mainly to control noxious insects in the household and...

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...