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 ...

Quintozene is a pale yellow-to-white (depending on the purity) solid with a musty odour and a melting point of 142-146 C. It is soluble in carbon disulfide, benzene, chloroform, ketones, and aromatic and chlorinated ...

Ammonia is a colourless acrid-smelling gas at room temperature and normal atmospheric pressure. Most people can identify its odour at 35 mg/rn3 in air. It can be stored and transported as a liquid at a pressure of 10 ...

Barium is an alkaline earth metal that occurs in nature in a combined form. It is present in rocks, minerals, soils, air, natural waters, and fossil fuels. Some barium salts (e.g., acetate, nitrate, and chloride) are quite ...

Pure paraquat salts are white and the technical products, yellow. They are crystalline, odourless, hygroscopic powders. Paraqual is slightly soluble in alcohol and practically insoluble in organic solvents. Paraquat is ...

Lindane is a white, crystalline solid, with a weak, or no, odour (the characteristic smell of technical HCH is attributed to the impurities, particularly heptachlorocyclohexane). Lindane is stable to light, air, heat, ...

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 ...

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. ...

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.

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 ...