Now showing items 21-30 of 135
1,2-Dichloroethane Health and Safety Guide - Health and Safety Guide 55
1,2-Dichioroethane is a colourless liquid, with a sweet taste aid a chloroform-like odour. Reportd odour thresholds are 25-450 mg/ni for perception and 162-750 mg/rn for recognition. 1,2-Dichiorethane is a volatile and ...
Dichlorvos Health and Safety Guide - Health and Safety Guide No. 18
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 ...
Formaldehyde Health and Safety Guide - Health and Safety Guide 57
Formaldehyde is a flammable, colourless, reactive, and readily polymerized gas at normal temperature and pressure. The heat of combustion for formaldehyde gas is 4.47 kcal/g. It forms explosive mixtures with air and oxygen ...
Extremely Low Frequency Fields - Environmental Health Criteria 238
This Environmental Health Criteria (EHC) monograph addresses the possible health effects of exposure to extremely low frequency (ELF) electric and magnetic fields. It reviews the physical characteristics or ELF fields as ...
Dimethylformamide (Dmf) - Health and Safety Guide 43
Dimethylformamide (DMF) is a colourless liquid with only a slight, unpleasant odour; smell is, therefore, not a useful warning signal. DMF is usually stable but, when it comes into contact with strong oxidizers, halogens, ...
Neurotoxicity Risk Assessment for Human Health: Principles and Approaches - Environmental Health Criteria 223
Chemicals have become an indispensable part of human life, sustaining activities and development, preventing and controlling many diseases, and increasing agricultural productivity. Despite their benefits, chemicals may, ...
Brodifacoum Health and Safety Guide - Health and Safety Guide 93
Brodifacoum is an off-white powder, which is stable in the solid form. Its solubility in water is very low (less than 10 mg/litre at 20 °C and pH 7); it is slightly soluble in benzene and soluble in acetone.
Polychlorinated Biphenyls (PCBs) and Polychlorinated Terphenyls (PCTs) Health and Safety Guide 68
The PCBs are chlorinated hydrocarbons that are manufactured commercially by the progressive chlorination of biphenyl in the presence of a suitable catalyst (e.g., iron chloride). Depending on the reaction conditions, the ...
Diflubenzuron Health and Safety Guide 99
Diflubenzuron is an odourless, white, crystalline solid. It is almost insoluble in water and poorly soluble in apolar organic solvents. In polar to very polar solvents, the solubility is moderate to good, e.g., in acetone ...
Guidelines for the Study of Genetic Effects in Human Populations - Environmental Health Criteria 46
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 ...