Palladium-Hazard and Toxicity
Palladium was discovered in 1803 by W.H. Wollaston during refining and purification of- platinum metal. This new metal was found in the aqua regia extract of native platinum and was detected in soluti
Sep 10，2019 Inorganic chemistry
Ozone-Hazard and Toxicity
Ozone,O3, a colorless gas or dark blue liquid, also known as activated oxygen,is an allotropic form of oxygen formed in nature by lightning in air and during evaporation of water particularly by spray
Sep 10，2019 Inorganic chemistry
Oxygen-Hazard and Toxicity
Oxygen, O2, is a colorless, tasteless, gaseous element essential to almost all forms of life. It promotes respiration and combustion. Oxygen comprises 20% of the earth's atmosphere and is the most abu
Sep 10，2019 Inorganic chemistry
Iodomethane-Hazard and Toxicity
Iodomethane is also commonly called methyl iodide. It is a volatile liquid related to methane by replacement of hydrogen. Iodomethane is miscible with common organic solvents. It is colourless, althou
Sep 10，2019 Organic Chemistry
Tetrahydrofuran-Health Hazard and Toxicity
The acute toxicity of THF by inhalation and ingestion is low. Liquid THF is a severe eye irritant and a mild skin irritant, but is not a skin sensitizer. At vapor levels of 100 to 200 ppm, THF irritat
Sep 9，2019 Organic Chemistry
Sulfur dioxide--Health Hazard and Toxicity
The acute toxicity of sulfur dioxide is moderate. Inhalation of high concentrations may cause death as a result of respiratory paralysis and pulmonary edema. Exposure to 400 to 500 ppm is immediately
Sep 9，2019 Inorganic chemistry
Methanol-Hazard and Toxicity
Methyl alcohol, also known as methanol or wood alcohol, is a clear, colorless, flammable liquid that is the simplest alcohol. World production of methanol is approximately 8.5 billion gallons annually
Sep 9，2019 Organic reagents
Mercury-Hazard and Toxicity
Mercury is a chemical element with the symbol Hg and atomic number 80. It is commonly known as quicksilver and was formerly named hydrargyrum. A heavy, silvery d-block element, mercury is the only met
Sep 9，2019 Inorganic chemistry
Lithium aluminium hydride-Hazard and Toxicity
Lithium aluminium hydride, commonly abbreviated to LAH, is an inorganic compound with the chemical formula LiAlH4. It was discovered by Finholt, Bond and Schlesinger in 1947. This compound is used as
Sep 9，2019 Inorganic chemistry
Lead-Hazard and Toxicity
Lead is a bluish-white, heavy metallic element with properties that are more metal-like than the properties of metal loids or nonmetals. Lead can be found in its native state, meaning that elemental m
Sep 9，2019 Inorganic chemistry