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Now showing items 151-160 of 229
1,2-Dichloroethane Health and Safety Guide - Health and Safety Guide 55
(1991)
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 ...
Nickel, Nickel Carbonyl, and some Nickel Compounds Health and Safety Guide 62
(1991)
Nickel is a naturally occurring, shiny, light-coloured metal with high electrical and thermal conductivities. It is resistant to corrosion by air, water, and alkalis, but reacts with dilute oxidizing agents.
Methyl Isobutyl Ketone Health and Safety Guide - Health and Safety Guide 58
(1991)
MIBK is a clear liquid with a sweet odour; the odour threshold is 1.64 mg/m3 (0.4 ppm). It is moderately soluble in water. MIBK can react violently with oxidizing and reducing agents. When heated, peroxides may form by ...
Isobenzan Health and Safety Guide - Health and Safety Guide 61
(1991)
Isobenzan is a whitish to light-brown crystalline powder, with a mild chemical odour. It is relatively stable to acids, but liable to dehydrochlorination under strongly alkaline conditions. Solubility in organic solvents: ...
Formaldehyde Health and Safety Guide - Health and Safety Guide 57
(1991)
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 ...
Polychlorinated Biphenyls (PCBs) and Polychlorinated Terphenyls (PCTs) Health and Safety Guide 68
(1992)
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 ...
Hexachlorocyclopentadiene Health and Safety Guide - Health and Safety Guide 63
(1991)
Pure hexachiorocyclopentadiene (HEX) is a light, lemon-yellow liquid that has a pungent, musty odour. The odour threshold is reported to be 0.0014-0.0016 mg/m3. HEX is highly reactive and volatile at low temperatures. ...
Trichlorfon Health and Safety Guide - Health and Safety Guide 66
(1991)
Trichlorfon is a colourless crystalline powder that is stable at room temperature. It is slowly hydrolysed in acid media; the half-life is 526 days at pH 1-5 and 20°C. In alkaline media, at pH 8 and 37.5 °C, it hydrolyses ...
Aldicarb Health and Safety Guide - Health and Safety Guide 64
(1991)
Aldicarb has a slight sulfur smell. It has a melting point of 100 °C and a specific gravity of 1.195 at 25 °C. it is soluble in water, sensitive to heat, and relatively unstable. Analytical methods for aldicarb include ...
Experimental Aflatoxic Cancerogenesis and Undernutrition Ultrastructural and Pathomorphological Basis
(1985)
Knowledge about aflatoxine has developed during an era of increasing awareness of the importance of natural as well as man-made chemicals as environmental contaminants